"Nonpoint source (NPS) pollution" means pollution caused by sources that are not regulated as point sources, such as pollution caused by runoff from agricultural, silvicultural, and urban areas.
N.H. Admin. Code § Env-Wq 502.35
(See Revision Note #1 at chapter heading for Env-Wq 500) #8883, eff 5-8-07; (See Revision Note #2 at chapter heading for Env-Wq 500) ss by #9394, INTERIM, eff 3-1-09 (formerly Env-Wq 502.33); ss by #9531, eff 8-26-09