|
|
||
 Table 4.2.7 (Concluded)
POLLUTANT TO BE CONTROLLED
NRCS
PRACTICE
TP
PP
OP
TN
TKN
ON
NI
AM
SE
BOD
FC
SOURCE
CODE
CD, CI, CA,
350
Sediment Basin
**
**
**
**
**
CONSTR
NA
574
Spring Development
Irrigation System,
CI
442
Sprinkler
Streambank & Shoreline
STREAM-
580
**
**
**
**
**
Protection
BANKS
CD, CI
585
Stripcropping, Contour
**
**
**
**
**
**
**
**
**
Structure for Water
CI, GU
587
**
**
**
**
**
**
Control
CD
586
Stripcropping, Field
**
**
**
**
**
**
**
**
CD, CI
606
Subsurface Drain
**
**
**
**
**
**
**
**
Surface Drainage, Field
607
**
**
**
**
**
**
**
**
CD, CI
Ditch
Surface Drainage, Main
608
**
**
**
**
CD, CI
or Lateral
600
Terrace
**
**
**
**
**
**
**
CD, CI
612
Tree Shrub Establishment
**
**
**
**
**
**
**
CD, CI, FO
614
Trough or Tank
**
Waste Management
312
**
**
**
**
**
**
**
**
**
**
CA
System
313
Waste Storage Facility
**
**
**
**
**
**
**
**
**
**
CA
Waste Treatment
359
**
**
**
**
**
**
**
**
**
CA, PA
Lagoon
CA, CD, CI,
633
Waste Utilization
**
**
**
**
**
**
**
**
PA
Water & Sediment
CD, CA, PA,
638
**
**
**
**
**
**
**
**
Control Basin
RG, GU, IR
CA, CI, PA,
640
Waterspreading
**
**
**
RG
POLLUTANTS: TP = Total Phosphorus; PP = Particulate Phosphorus; OP = Orthophosphate; TN = Total Nitrogen; TKN =
Kjeldahl Nitrogen; ON = Organic Nitrogen; NI = Nitrate; AM = Ammonia; SE = Sediment; BOD = Biological Oxygen Demand;
FC = Fecal Caliform
POLLUTANT SOURCES: CA = Confined Animals; CD = Cropland (Dryland); CI = Cropland (Irrigated); Const. = Construction;
FO = Forest; GU = Gullies; PA = Pasture; RG = Rangeland; NA = Not Applicable
4.2-43
|
||
|
||
