Clean Water Act discharge permit · NPDES ID0021211

RICHFIELD, CITY OF - RICHFIELD WWTP, Richfield, ID: NPDES ID0021211 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
9Pollutants with an effluent exceedance

RICHFIELD, CITY OF - RICHFIELD WWTP, held by RICHFIELD, CITY OF, holds NPDES permit ID0021211, which discharges to Little Wood River. EPA’s file records it issued February 14, 2005 and expiring March 31, 2010. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	RICHFIELD, CITY OF - RICHFIELD WWTP
Permittee as filed	RICHFIELD, CITY OF
NPDES ID	ID0021211
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	February 14, 2005
Expiration date	March 31, 2010
Address	Richfield, ID 83349
Receiving water	LITTLE WOOD RIVER
Subwatershed	Main Canal (HUC 170402210802)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

14Pollutants on file
11Under a numeric limit
13With a violation of any kind
9With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	5	80	65	March 31, 2026	303% over the limit
BOD, 5-day, percent removal	1	32	27	April 30, 2010	184% over the limit
BOD, 5-day, 20 deg. C	5	103	18	March 31, 2026	123% over the limit
Chlorine, total residual	6	30	15	March 31, 2016	2,100% over the limit
pH	2	29	11	January 31, 2026
E. coli	2	12	10	February 29, 2020	99,999% over the limit
Solids, suspended percent removal	1	10	9	March 31, 2018	186% over the limit
Coliform, fecal MF, MFC broth, 44.5 C	0	14	6	December 31, 2004	1,080% over the limit
Suspended solids, total annual	0	1	1	April 30, 2026	37% over the limit
Flow, in conduit or thru treatment plant	2	29	0
Oxygen, dissolved [DO]	1	2	0
Nitrogen, ammonia total [as N]	1	2	0
Temperature, water deg. centigrade	0	2	0
Phosphorus, total [as P]	1	0	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ID0021211.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, ID0021211.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID ID0021211 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.