FOTG-Section V - CPPE - 430H

NRCS – NEW MEXICOJune 2001

430HH Irrigation Water Conveyance Pipeline,

Rigid Gated

CONSERVATION PRACTICE PHYSICAL EFFECT WORKSHEET

STATE: / NEW MEXICO / FIELD OFFICE: / ALL
PRACTICE: 430HH IRRIGATION WATER CONVEYANCE PIPELINE, RIGID GATED / DEFINITION: A rigid pipeline, with closely spaced gates, installed as part of a surface irrigation system.
RESOURCE: SOIL
RESOURCE CONCERN: EROSION
PHYSICAL EFFECTS
SHEET AND RILL ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
WIND ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
CONCENTRATED FLOW ST / Slight to Moderate DecreaseSituationalN/AFacilitatingInsignificantSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Significant DecreaseModerate to Significant Decrease Concentrated flow erosion eliminated when pipeline is used to replace eroding ditches.
LT / Slight to Moderate DecreaseSituationalN/AFacilitatingInsignificantSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Significant DecreaseModerate to Significant Decrease Concentrated flow erosion eliminated when pipeline is used to replace eroding ditches.
CLASSIC GULLY ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
STREAMBANK ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
IRRIGATION INDUCED ST / SituationalN/AFacilitatingInsignificantSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease Slight to Significant Decrease where flows to irrigated area are reduced to prevent erosion. Insignificant when flows are not reduced to prevent erosion.
LT / SituationalN/AFacilitatingInsignificantSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease Slight to Significant Decrease where flows to irrigated area are reduced to prevent erosion. Insignificant when flows are not reduced to prevent erosion.
SOIL MASS MOVEMENT ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
ROADBANKS, CONSTRUCTION SITES, & SCOUR AREAS ST / Slight IncreaseN/AFacilitatingInsignificantSituationalModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant DecreaseSite Disturbance during construction.
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
OTHER ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
RESOURCE: SOIL
RESOURCE CONCERN: SOIL CONDITION
SOIL TILTH, CRUSTING, INFILTRATION, ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
ORGANIC MATTER LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
SOIL COMPACTION ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
SOIL CONTAMINATION

• EXCESS CHEMICAL CONTENT, SALTS, SELENIUM, BORON, HEAVY METALS ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease

• EXCESS ANIMAL WASTES & OTHER ORGANIC NUTRIENTS ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease

• EXCESS FERTILIZERS ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease

• EXCESS PESTICIDES ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease

• OTHER ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
SOIL DEPOSITION

• ONSITE DAMAGE ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease

• OFFSITE DAMAGE ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease

• ONSITE SAFETY ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease

• OFFSITE SAFETY ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease

• OTHER ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
RESOURCE:WATER
RESOURCE CONCERN: WATER QUANTITY
SEEPS ST / Slight to Significant DecreaseSituationalN/AFacilitatingInsignificantSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease When seeps eliminated by converting earthen ditch conveyance systems to pipelines.
LT / Slight to Significant DecreaseSituationalN/AFacilitatingInsignificantSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease When seeps eliminated by converting earthen ditch conveyance systems to pipelines.
PONDING/FLOODING ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
SUBSURFACE WATER

• EXCESS WATER FOR DESIRED USE ST

/ Slight to Significant DecreaseSituationalN/AFacilitatingInsignificantSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease When seeps eliminated by converting earthen ditch conveyance systems to pipelines.
LT / Slight to Significant DecreaseSituationalN/AFacilitatingInsignificantSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease When seeps eliminated by converting earthen ditch conveyance systems to pipelines.

• INADEQUATE WATER FOR ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
DESIRED USE LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
INADEQUATE OUTLETS ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
WATER MGT. FOR IRRIGATED LAND ST / Slight to Significant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Improved application and conveyance efficiency when replacing head ditches on flood systems with gated pipe.
LT / Slight to Significant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Improved application and conveyance efficiency when replacing head ditches on flood systems with gated pipe.
WATER MGT. NON-IRRIGATED LAND ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
RESTRICTED CAPACITY OF SMALL WATER CONVEYANCE

• ONSITE ST

/ Significant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease Runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Significant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease Runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.

• OFFSITE ST

/ Significant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease Runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Significant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease Runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.
RESTRICTED CAPACITY OF SMALL WATER BODIES ST / Significant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease Runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Significant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease Runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.
OTHER ST / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
RESOURCE: WATER
RESOURCE CONCERN: WATER QUALITY
GROUNDWATER CONTAMINANTS

• PESTICIDES ST

/ Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Deep percolation of pesticides reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Deep percolation of pesticides reduced or eliminated when replacing head ditches on flood systems with gated pipe.

• NUTRIENTS AND ORGANICS ST

/ Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated deep percolation reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated deep percolation reduced or eliminated when replacing head ditches on flood systems with gated pipe.

• SALINITY ST

/ Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated deep percolation reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated deep percolation reduced or eliminated when replacing head ditches on flood systems with gated pipe.

• HEAVY METALS ST

/ Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated deep percolation reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated deep percolation reduced or eliminated when replacing head ditches on flood systems with gated pipe.

• PATHOGENS ST

/ Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated deep percolation reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated deep percolation reduced or eliminated when replacing head ditches on flood systems with gated pipe.

• OTHER ST

/ N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
LT / N/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSignificant DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseSlight to Significant DecreaseModerate to Significant Decrease
SURFACE WATER CONTAMINANTS

• PESTICIDES ST

/ Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.

• NUTRIENTS AND ORGANICS ST

/ Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.

• SUSPENDED SEDIMENTS AND TURBIDITY ST

/ Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.
LT / Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.

• LOW DISSOLVED OXYGEN ST

/ Slight to Significant DecreaseSignificant DecreaseN/AFacilitatingInsignificantSituationalSlight IncreaseModerate IncreaseSignificant IncreaseSlight DecreaseModerate DecreaseSlight to Moderate IncreaseSlight to Significant IncreaseModerate to Significant IncreaseSlight to Moderate DecreaseModerate to Significant Decrease Contaminated runoff reduced or eliminated when replacing head ditches on flood systems with gated pipe.