Clean Water Act discharge permit · NPDES ID0020010

RIGBY, CITY OF - RIGBY WWTP, Rigby, ID: NPDES ID0020010 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
8Pollutants with an effluent exceedance

RIGBY, CITY OF - RIGBY WWTP, held by RIGBY, CITY OF, holds NPDES permit ID0020010, which discharges to Dry Bed Canal. EPA’s file records it issued June 15, 2005 and expiring July 31, 2010. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	RIGBY, CITY OF - RIGBY WWTP
Permittee as filed	RIGBY, CITY OF
NPDES ID	ID0020010
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	June 15, 2005
Expiration date	July 31, 2010
Issuing agency	U.S. EPA, REGION 10
Address	Rigby, ID 83442
Receiving water	DRY BED CANAL
Subwatershed	Dry Bed (HUC 170402010501)
Program components on file	POTW, Pretreatment
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

16Pollutants on file
11Under a numeric limit
16With a violation of any kind
8With 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
BOD, 5-day, 20 deg. C	6	719	95	November 30, 2018	300% over the limit
Solids, total suspended	6	484	84	May 31, 2009	331% over the limit
BOD, 5-day, percent removal	1	114	59	April 30, 2010	353% over the limit
Chlorine, total residual	5	120	55	December 31, 2007	1,380% over the limit
Solids, suspended percent removal	1	47	31	September 30, 2025	400% over the limit
Coliform, fecal MF, MFC broth, 44.5 C	0	110	5	June 30, 2004	99,899% over the limit
E. coli, MTEC-MF	2	37	5	December 31, 2008	3,841% over the limit
pH	3	159	1	May 31, 2006
Flow, in conduit or thru treatment plant	2	85	0
Nitrogen, ammonia total [as N]	3	52	0
Temperature, water deg. centigrade	3	49	0
Phosphorus, total [as P]	3	48	0
Conductivity	0	1	0
Carbon, dissolved organic [as C]	0	1	0
Hardness, total [as CaCO3]	0	1	0
Copper, dissolved [as Cu]	0	1	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 ID0020010.

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

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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 ID0020010 there.

Nearby on the register

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

This public-records page covers the NPDES discharge permit ID0020010 held by Rigby, City of for its Rigby WWTP in Rigby, ID, which discharges to Dry Bed Canal. The permit is listed as administratively continued, with 11 as the count of pollutants under a numeric limit and 8 as the count with an effluent exceedance.