Clean Water Act discharge permit · NPDES ID0023817

REXBURG, CITY OF - REXBURG WWTP, Rexburg, ID: NPDES ID0023817 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
16Pollutants under a numeric limit
12Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

REXBURG, CITY OF - REXBURG WWTP, held by REXBURG, CITY OF, holds NPDES permit ID0023817, which discharges to Teton River, Rexburg Canal. EPA’s file records it issued August 9, 2001 and expiring September 11, 2006.

REXBURG, CITY OF - REXBURG WWTP, Rexburg, Idaho: Individual permit ID0023817, held by REXBURG, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued August 9, 2001, term to September 11, 2006; discharges to TETON RIVER, REXBURG CANAL.

Lead, total [as Pb]: 16 limits, 510 violations of any kind, 128 effluent exceedances, latest December 31, 2016, largest 1,142% over the limit.
Silver total recoverable: 16 limits, 527 violations of any kind, 125 effluent exceedances, latest December 31, 2016, largest 3,650% over the limit.
Solids, total suspended: 10 limits, 248 violations of any kind, 107 effluent exceedances, latest June 30, 2026, largest 2,404% over the limit.
BOD, 5-day, 20 deg. C: 10 limits, 191 violations of any kind, 50 effluent exceedances, latest March 31, 2026, largest 420% over the limit.
Chlorine, total residual: 2 limits, 62 violations of any kind, 35 effluent exceedances, latest June 30, 2013, largest 4,600% over the limit.
Coliform, fecal MF, MFC broth, 44.5 C: 0 limits, 23 violations of any kind, 23 effluent exceedances, latest August 31, 2000, largest 761% over the limit.
pH: 4 limits, 66 violations of any kind, 12 effluent exceedances, latest December 31, 2016.
Nitrogen, ammonia total [as N]: 9 limits, 47 violations of any kind, 12 effluent exceedances, latest April 30, 2022, largest 1,242% over the limit.
Solids, suspended percent removal: 2 limits, 40 violations of any kind, 7 effluent exceedances, latest November 30, 2025, largest 300% over the limit.
E. coli, MTEC-MF: 4 limits, 68 violations of any kind, 4 effluent exceedances, latest July 31, 2013, largest 226% over the limit.
Fecal coliform, MPN, EC med, 44.5 C: 2 limits, 35 violations of any kind, 4 effluent exceedances, latest January 31, 2012, largest 1,500% over the limit.
E. coli: 0 limits, 3 violations of any kind, 1 effluent exceedance, latest March 31, 2024, largest 490% over the limit.
Zinc, total recoverable: 9 limits, 37 violations of any kind, 0 effluent exceedances.
Temperature, water deg. centigrade: 2 limits, 32 violations of any kind, 0 effluent exceedances.
BOD, 5-day, percent removal: 2 limits, 32 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 31 violations of any kind, 0 effluent exceedances.
Nitrogen, nitrate total [as N]: 2 limits, 30 violations of any kind, 0 effluent exceedances.
Hardness, total [as CaCO3]: 2 limits, 30 violations of any kind, 0 effluent exceedances.

Idaho holds 110 Publicly owned treatment works coverages of this permit type in EPA’s file; 20 were issued before ID0023817.

Coverages issued nearest ID0023817

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
June 22, 2001: WEISER, CITY OF - WEISER WWTP, Weiser, ID0020290, held by WEISER, 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
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
November 26, 2001: LEWISTON, CITY OF - LEWISTON WWTP, Lewiston, ID0022055, held by LEWISTON, CITY OF
November 28, 2001: FRUITLAND, CITY OF - SNAKE RIVER WWTP, Fruitland, ID0020338, held by FRUITLAND, CITY OF
November 28, 2001: NEW PLYMOUTH, CITY OF - NEW PLYMOUTH WWTP, New Plymouth, ID0020389, held by NEW PLYMOUTH, CITY OF

REXBURG, CITY OF - REXBURG WWTP among its neighbors

EPA’s permit file holds 21 discharge permits in the South Fork Teton River subwatershed (HUC 170402040803), ID0023817 among them. Its county holds 32, 1 of them major permits; ID0023817 is a major permit.

Other permits in the South Fork Teton River subwatershed (HUC 170402040803)

ALTURA BUSINESS INNOVATION CENTER (B-H), Rexburg: IDR10C1KH, minor permit, discharging to South Fork Teton River, permit term to February 9, 2027
ALTURA BUSINESS INNOVATION CENTER (OWNER), Rexburg: IDR10C1KG, minor permit, discharging to South Fork Teton River, permit term to February 9, 2027
ARTCO, Rexburg: IDNOEJ013, not classed
HOME DEPOT - REXBURG, ID, Rexburg: IDR10C23S, minor permit, discharging to South Teton River, permit term to February 9, 2027
HOME DEPOT #1880 REXBURG, ID, Rexburg: IDR10C247, minor permit, discharging to South Teton River, permit term to February 9, 2027
KIRKHAM BUILDING DEMOLITION, Rexburg: IDR1001GH, not classed
PEREGRINE TOWNHOMES, Sugar City: IDR10C058, minor permit, discharging to South Teton River, permit term to February 16, 2022
REXBURG 2ND EAST RR TRACKS TO STATIONARY ROAD, Rexburg: IDR1001FE, not classed
REXBURG CITY WATER PROJECT: WTR-01-16, Rexburg: IDR10007W, not classed
SH-33, MP 100 TO BEG REALIGNMENT, Teton: IDR100382, minor permit, permit term to February 15, 2022

Identity

Facility as filed	REXBURG, CITY OF - REXBURG WWTP
Permittee as filed	REXBURG, CITY OF
NPDES ID	ID0023817
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	August 9, 2001
Expiration date	September 11, 2006
Address	Rexburg, ID 83440
Receiving water	TETON RIVER, REXBURG CANAL
Subwatershed	South Fork Teton River (HUC 170402040803)

Effluent limits and exceedances

18Pollutants on file
16Under a numeric limit
18With a violation of any kind
12With 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
Lead, total [as Pb]	16	510	128	December 31, 2016	1,142% over the limit
Silver total recoverable	16	527	125	December 31, 2016	3,650% over the limit
Solids, total suspended	10	248	107	June 30, 2026	2,404% over the limit
BOD, 5-day, 20 deg. C	10	191	50	March 31, 2026	420% over the limit
Chlorine, total residual	2	62	35	June 30, 2013	4,600% over the limit
Coliform, fecal MF, MFC broth, 44.5 C	0	23	23	August 31, 2000	761% over the limit
pH	4	66	12	December 31, 2016
Nitrogen, ammonia total [as N]	9	47	12	April 30, 2022	1,242% over the limit
Solids, suspended percent removal	2	40	7	November 30, 2025	300% over the limit
E. coli, MTEC-MF	4	68	4	July 31, 2013	226% over the limit
Fecal coliform, MPN, EC med, 44.5 C	2	35	4	January 31, 2012	1,500% over the limit
E. coli	0	3	1	March 31, 2024	490% over the limit
Zinc, total recoverable	9	37	0
Temperature, water deg. centigrade	2	32	0
BOD, 5-day, percent removal	2	32	0
Flow, in conduit or thru treatment plant	2	31	0
Nitrogen, nitrate total [as N]	2	30	0
Hardness, total [as CaCO3]	2	30	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ID0023817.

Inspections

EPA’s inspection file holds no inspection for NPDES ID0023817.

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 ID0023817.

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, ID0023817.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES ID0023817, held by REXBURG, CITY OF for the REXBURG WWTP in Rexburg, ID, with a status of administratively continued and a discharger class of Major. The register lists 16 pollutants under a numeric limit and 12 pollutants with an effluent exceedance.