Cost Share Programs - Agricultural Cost Share Program (ACSP)

Chemigation Backlow Prevention

A combination of devices (valves, gauges, injectors, drains, etc.) to safeguard water sources from contamination by chemicals used during the irrigation of agricultural crops. The practice is intended to modify or improve chemical injection systems with components necessary to prevent backflow or siphoning of contaminants into the water supply thereby improving and protecting the state’s waters.

Maintenance Period	10 years
BMP Units	Each
Required Effects	Acres affected
JAA/NRCS Standards	ENG - 441 - Irrigation System, Microirrigation ENG - 449 - Irrigation Water Management ENG - 430 - Irrigation Pipeline ASAE EP409.1 MAR1989 (R2013) Safety Devices for Chemigation.
Cost Information	Average cost (75% or 90%)
CS2 Reference Materials	NC-ACSP 11 Signature Page Map with BMP location, fields and roads
Additional Spot-check Requirements	None

ACSP Policy Summary

Chemigation Backflow Prevention

Design Standards

NRCS Irrigation Pipeline 430

Additional Information

ASAE EP409.1 MAR1989 (R2013) Safety Devices for Chemigation