Clean Water Act discharge permit · NPDES ID0025747

CAREY, CITY OF - CAREY WWTP, Carey, ID: NPDES ID0025747 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
9Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

CAREY, CITY OF - CAREY WWTP, held by CAREY, CITY OF, holds NPDES permit ID0025747, which discharges to Little Wood River. EPA’s file records it issued February 17, 2004 and expiring April 30, 2009.

CAREY, CITY OF - CAREY WWTP, Carey, Idaho: Individual permit ID0025747, held by CAREY, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued February 17, 2004, term to April 30, 2009; discharges to LITTLE WOOD RIVER; Sewage Treatment Facilities.

BOD, 5-day, 20 deg. C: 5 limits, 57 violations of any kind, 24 effluent exceedances, latest April 30, 2023, largest 488% over the limit.
Solids, total suspended: 5 limits, 49 violations of any kind, 12 effluent exceedances, latest October 31, 2023, largest 163% over the limit.
Chlorine, total residual: 4 limits, 25 violations of any kind, 9 effluent exceedances, latest March 31, 2026, largest 377% over the limit.
Solids, suspended percent removal: 1 limit, 13 violations of any kind, 7 effluent exceedances, latest June 30, 2022, largest 567% over the limit.
Coliform, fecal MF, MFC broth, 44.5 C: 0 limits, 8 violations of any kind, 4 effluent exceedances, latest February 28, 1991, largest 355% over the limit.
pH: 2 limits, 12 violations of any kind, 2 effluent exceedances, latest October 31, 1990.
E. coli: 2 limits, 8 violations of any kind, 2 effluent exceedances, latest March 31, 2007, largest 1,011% over the limit.
BOD, 5-day, percent removal: 1 limit, 8 violations of any kind, 2 effluent exceedances, latest March 31, 2007, largest 140% over the limit.
E. coli, MTEC-MF: 0 limits, 6 violations of any kind, 2 effluent exceedances, latest November 30, 2022, largest 35% over the limit.
Flow, in conduit or thru treatment plant: 2 limits, 9 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 1 limit, 4 violations of any kind, 0 effluent exceedances.
Dilution factor: 0 limits, 3 violations of any kind, 0 effluent exceedances.
Temperature, water deg. centigrade: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Flow rate: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Floating solids, waste or visible foam-visual: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 1 limit, 0 violations of any kind, 0 effluent exceedances.

March 17, 2026: Evaluation (S).
March 13, 2026: Management Practice Violations - Improper Operation and Maintenance (ST6).
March 13, 2026: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).

Idaho holds 110 Publicly owned treatment works coverages of this permit type in EPA’s file; 48 were issued before ID0025747.

Coverages issued nearest ID0025747

November 17, 2003: FAIRFIELD, CITY OF - FAIRFIELD WWTP, Fairfield, ID0024384, held by FAIRFIELD, CITY OF
November 17, 2003: CLARKIA WATER AND SEWER DISTRICT - WWTP, Clarkia, ID0025071, held by CLARKIA WATER AND SEWER DISTRICT
February 5, 2004: NEZPERCE, CITY OF - NEZPERCE WWTP, Nezperce, ID0020397, held by NEZPERCE, CITY OF
February 5, 2004: TENSED, CITY OF - TENSED WWTP, Tensed, ID0025101, held by TENSED, CITY OF
February 17, 2004: COUNCIL, CITY OF - COUNCIL WWTP, Council, ID0020087, held by COUNCIL, CITY OF
February 17, 2004: ROBERTS, CITY OF - ROBERTS WWTP, Roberts, ID0026913, held by ROBERTS, CITY OF
February 27, 2004: HOMEDALE, CITY OF - HOMEDALE WWTP, Homedale, ID0020427, held by HOMEDALE, CITY OF
February 27, 2004: MARSING, CITY OF - MARSING WWTP, Marsing, ID0021202, held by MARSING, CITY OF
February 27, 2004: PARMA, CITY OF - PARMA WWTP, Parma, ID0021776, held by PARMA, CITY OF
February 27, 2004: NEW MEADOWS, CITY OF - NEW MEADOWS WWTP, New Meadows, ID0023159, held by NEW MEADOWS, CITY OF

CAREY, CITY OF - CAREY WWTP among its neighbors

Its county holds 42, 2 of them major permits; ID0025747 is a minor permit.

Other permits in the county

100 STONE BRIDGES RD, Hailey: IDR10C0DZ, minor permit, discharging to big wood river, permit term to February 9, 2027
1ST AVE. REHABILITATION, 5TH STREET TO SUN VALLEY ROAD, Ketchum: IDR10L0LV, not classed
385 BROADFORD ROAD RESIDENCE, Bellevue: IDR10C1WC, minor permit, discharging to Big Wood River, permit term to February 9, 2027
BADGER RESIDENCE, Ketchum: IDR10C1QX, minor permit, discharging to Wetlands Adjoining Big Wood River, permit term to February 9, 2027
BEAVER CREEK COMPOUND, Sawtooth City: IDR10C0ZS, minor permit, discharging to SALMON RIVER, permit term to February 9, 2027
BIG WOOD RIVER DIVERSION DAM REMEDIATION, Bellevue: IDR10L0N8, not classed
BLAINE COUNTY (CAREY) TRANSFER STATION IMPROVEMENTS, Carey: IDR10C245, minor permit, discharging to Dry Creek, permit term to February 9, 2027
CHRISTMAS CHAIR LIFT, Ketchum: IDR10C227, minor permit, discharging to Big Wood River, permit term to February 9, 2027
COVE SPRINGS NORTH, Bellevue: IDR10C256, minor permit, discharging to Irrigation Canal, permit term to February 9, 2027
DENOVO INDEPENDENCE LLC, Triumph: IDR10C176, not classed, discharging to EAST FORK OF WOOD RIVER, WOOD RIVER

Identity

Facility as filed	CAREY, CITY OF - CAREY WWTP
Permittee as filed	CAREY, CITY OF
NPDES ID	ID0025747
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 17, 2004
Expiration date	April 30, 2009
Address	Carey, ID 83320
Receiving water	LITTLE WOOD RIVER
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

16Pollutants on file
11Under a numeric limit
15With 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
BOD, 5-day, 20 deg. C	5	57	24	April 30, 2023	488% over the limit
Solids, total suspended	5	49	12	October 31, 2023	163% over the limit
Chlorine, total residual	4	25	9	March 31, 2026	377% over the limit
Solids, suspended percent removal	1	13	7	June 30, 2022	567% over the limit
Coliform, fecal MF, MFC broth, 44.5 C	0	8	4	February 28, 1991	355% over the limit
pH	2	12	2	October 31, 1990
E. coli	2	8	2	March 31, 2007	1,011% over the limit
BOD, 5-day, percent removal	1	8	2	March 31, 2007	140% over the limit
E. coli, MTEC-MF	0	6	2	November 30, 2022	35% over the limit
Flow, in conduit or thru treatment plant	2	9	0
Nitrogen, ammonia total [as N]	1	4	0
Dilution factor	0	3	0
Temperature, water deg. centigrade	1	2	0
Flow rate	0	2	0
Floating solids, waste or visible foam-visual	0	1	0
Phosphorus, total [as P]	1	0	0

Inspections, violations and enforcement

2Single-event violations

Date	What EPA recorded	Agency
March 13, 2026	Management Practice Violations - Improper Operation and Maintenance	ST6
March 13, 2026	Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)	ST6

Inspections

Date	What EPA recorded	Agency
March 17, 2026	Evaluation	S

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 ID0025747.

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

This public-records page covers NPDES permit ID0025747, held by CAREY, CITY OF for the CAREY WWTP in Carey, ID, which discharges to the LITTLE WOOD RIVER. The permit is listed as administratively continued, with 9 pollutants under a numeric limit and 9 pollutants with an effluent exceedance.