|
|
||
 Table 4.2.7 (Continued)
POLLUTANT TO BE CONTROLLED
NRCS
PRACTICE
TP
PP
OP
TN
TKN
ON
NI
AM
SE
BOD
FC
SOURCE
CODE
423
Hillside Ditch
**
**
**
GU
Irrigation Canal or
CI
320
**
**
**
**
Lateral
388
Irrigation Field Ditch
**
**
**
**
CI
464
Irrigation Land Leveling
**
**
**
**
CI
Irrigation Pit or
CI
552A
Regulating Reservoir,
**
**
**
**
Irrigation Pit
Irrigation Pit or
CI
552B
Regulating Reservoir,
**
**
**
**
Regulating Reservoir
Irrigation Storage
CI
436
**
**
**
**
Reservoir
Irrigation System,
CI, PA
443
**
**
**
**
Surface and Subsurface
Irrigation System,
441
**
**
**
**
CI
Trickle
Irrigation Water
Conveyance, Ditch and
428B
**
**
**
**
CI
Canal Lining, Flexible
Membrane
Irrigation Water
Conveyance, Ditch and
428C
**
**
**
**
CI
Canal Lining, Galvanized
Steel
Irrigation Water
Conveyance, Ditch and
428A
**
**
**
**
CI
Canal Lining,
Nonreinforced Concrete
Irrigation Water
430AA
Conveyance, Pipeline,
**
**
**
**
CI
Aluminum Tubing
Irrigation Water
Conveyance, Pipeline,
430DD
**
**
**
**
CI
High-Pressure,
Underground, Plastic
Irrigation Water
Conveyance, Pipeline,
430EE
**
**
**
**
CI
Low-Pressure,
Underground, Plastic
Irrigation Water
CI
430CC
Conveyance, Pipeline,
**
**
**
**
Nonreinforced Concrete
4.2-41
|
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