Clean Water Act discharge permit · NPDES ID0020290

WEISER, CITY OF - WEISER WWTP, Weiser, ID: NPDES ID0020290 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
13Pollutants under a numeric limit
8Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

WEISER, CITY OF - WEISER WWTP, held by WEISER, CITY OF, holds NPDES permit ID0020290, which discharges to Snake River. EPA’s file records it issued June 22, 2001 and expiring August 1, 2006.

WEISER, CITY OF - WEISER WWTP, Weiser, Idaho: Individual permit ID0020290, held by WEISER, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued June 22, 2001, term to August 1, 2006; discharges to SNAKE RIVER.

pH: 2 limits, 10 violations of any kind, 4 effluent exceedances, latest December 31, 2013.
Solids, total suspended: 5 limits, 22 violations of any kind, 3 effluent exceedances, latest May 31, 2007, largest 250% over the limit.
E. coli, MTEC-MF: 2 limits, 5 violations of any kind, 3 effluent exceedances, latest November 30, 2021, largest 688% over the limit.
Chlorine, total residual: 4 limits, 10 violations of any kind, 2 effluent exceedances, latest November 30, 1997, largest 19,500% over the limit.
Coliform, fecal MF, MFC broth, 44.5 C: 1 limit, 7 violations of any kind, 2 effluent exceedances, latest May 31, 2001, largest 76% over the limit.
BOD, 5-day, 20 deg. C: 5 limits, 20 violations of any kind, 1 effluent exceedance, latest August 31, 1995, largest 4,328% over the limit.
BOD, 5-day, percent removal: 1 limit, 4 violations of any kind, 1 effluent exceedance, latest May 31, 2019, largest 13% over the limit.
Phosphorus, total [as P]: 2 limits, 3 violations of any kind, 1 effluent exceedance, latest September 30, 2016, largest 5% over the limit.
Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Solids, suspended percent removal: 1 limit, 3 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Temperature, water deg. centigrade: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Mercury, total [as Hg]: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Idaho holds 110 Publicly owned treatment works coverages of this permit type in EPA’s file; 19 were issued before ID0020290. WEISER, CITY OF holds 2 permits in Idaho.

Other permits held by WEISER, CITY OF

WEISER, CITY OF - WEISER WTP, Weiser: ID0001155, issued December 7, 1973

Coverages issued nearest ID0020290

March 28, 2000: TWIN FALLS, CITY OF - TWIN FALLS WWTP, Twin Falls, ID0021270, held by TWIN FALLS, CITY OF
October 26, 2000: BLACKFOOT, CITY OF - BLACKFOOT WWTP, Blackfoot, ID0020044, held by BLACKFOOT, CITY OF
April 17, 2001: IDAHO FALLS, CITY OF - IDAHO FALLS WWTP, Idaho Falls, ID0021261, held by IDAHO FALLS, CITY OF
May 9, 2001: KETCHUM, CITY OF - KETCHUM/SUN VALLEY WWTP, Ketchum, ID0020281, held by CITY OF KETCHUM
May 9, 2001: HAILEY, CITY OF - WOODSIDE WWTF, Hailey, ID0020303, held by HAILEY, CITY OF
August 9, 2001: DRIGGS, CITY OF - DRIGGS WWTP, Driggs, ID0020141, held by DRIGGS, CITY OF
August 9, 2001: ST ANTHONY, CITY OF - ST ANTHONY WWTP, Saint Anthony, ID0020401, held by ST. ANTHONY, CITY OF
August 9, 2001: REXBURG, CITY OF - REXBURG WWTP, Rexburg, ID0023817, held by REXBURG, CITY OF
September 26, 2001: ABERDEEN, CITY OF - ABERDEEN WWTP, Aberdeen, ID0020176, held by ABERDEEN, CITY OF
November 16, 2001: SODA SPRINGS, CITY OF - SODA SPRINGS WWTP, Soda Springs, ID0020818, held by SODA SPRINGS WWTP, CITY OF

WEISER, CITY OF - WEISER WWTP among its neighbors

EPA’s permit file holds 5 discharge permits in the Bridge Gulch-Snake River subwatershed (HUC 170502010106), ID0020290 among them. Its county holds 15, 1 of them major permits; ID0020290 is a major permit.

Other permits in the Bridge Gulch-Snake River subwatershed (HUC 170502010106)

STC-8202 W 9TH ST; PIONEER TO W INDIANHEAD RD, WEISER, Weiser: IDR1002US, not classed
SUNDANCE POINTE SUBDIVISION PHASE 1 (APEX LAND GROUP LLC), Weiser: IDR10C0TW, minor permit, discharging to Galloway Canal, permit term to February 9, 2027
W 9TH ST; PIONEER TO W INDIANHEAD RD, WEISER, Weiser: IDR1002UX, not classed
WEISER HIGH SCHOOL TRACK REPLACEMENT, Weiser: IDR10L0EJ, not classed

Identity

Facility as filed	WEISER, CITY OF - WEISER WWTP
Permittee as filed	WEISER, CITY OF
NPDES ID	ID0020290
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 22, 2001
Expiration date	August 1, 2006
Address	Weiser, ID 83672
Receiving water	SNAKE RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Bridge Gulch-Snake River (HUC 170502010106)

Effluent limits and exceedances

13Pollutants on file
13Under a numeric limit
12With 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
pH	2	10	4	December 31, 2013
Solids, total suspended	5	22	3	May 31, 2007	250% over the limit
E. coli, MTEC-MF	2	5	3	November 30, 2021	688% over the limit
Chlorine, total residual	4	10	2	November 30, 1997	19,500% over the limit
Coliform, fecal MF, MFC broth, 44.5 C	1	7	2	May 31, 2001	76% over the limit
BOD, 5-day, 20 deg. C	5	20	1	August 31, 1995	4,328% over the limit
BOD, 5-day, percent removal	1	4	1	May 31, 2019	13% over the limit
Phosphorus, total [as P]	2	3	1	September 30, 2016	5% over the limit
Flow, in conduit or thru treatment plant	2	4	0
Solids, suspended percent removal	1	3	0
Nitrogen, ammonia total [as N]	1	2	0
Temperature, water deg. centigrade	1	1	0
Mercury, total [as Hg]	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ID0020290.

Inspections

EPA’s inspection file holds no inspection for NPDES ID0020290.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES ID0020290.

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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit ID0020290, held by WEISER, CITY OF for the WEISER WWTP in Weiser, ID, which discharges to the Snake River. The permit's file shows a Major Discharger class, 13 pollutants on file, 8 pollutants with an effluent exceedance, and an administratively continued status.