Clean Water Act discharge permit · NPDES ID0022799
ST MARIES, CITY OF - ST MARIES WWTP, Saint Maries, ID: NPDES ID0022799 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 17Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
- 1Inspections on file
- 2Formal enforcement actions
ST MARIES, CITY OF - ST MARIES WWTP, held by ST. MARIES, CITY OF, holds NPDES permit ID0022799, which discharges to St. Joe River. EPA’s file records it issued September 17, 2007 and expiring September 30, 2012.
ST MARIES, CITY OF - ST MARIES WWTP, Saint Maries, Idaho: Individual permit ID0022799, held by ST. MARIES, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 17, 2007, term to September 30, 2012; discharges to ST. JOE RIVER; Sewage Treatment Facilities.
- BOD, 5-day, percent removal: 1 limit, 89 violations of any kind, 76 effluent exceedances, latest December 31, 2025, largest 561% over the limit.
- pH: 2 limits, 82 violations of any kind, 56 effluent exceedances, latest April 30, 2017.
- Solids, suspended percent removal: 1 limit, 57 violations of any kind, 47 effluent exceedances, latest December 31, 2025, largest 561% over the limit.
- Chlorine, total residual: 8 limits, 53 violations of any kind, 11 effluent exceedances, latest November 30, 2016, largest 36% over the limit.
- Solids, total suspended: 6 limits, 74 violations of any kind, 10 effluent exceedances, latest June 30, 2025, largest 73% over the limit.
- Coliform, fecal MF, MFC broth, 44.5 C: 0 limits, 17 violations of any kind, 10 effluent exceedances, latest June 30, 2003, largest 99,999% over the limit.
- Flow rate: 0 limits, 24 violations of any kind, 7 effluent exceedances, latest December 31, 1998, largest 41,700% over the limit.
- E. coli, MTEC-MF: 2 limits, 25 violations of any kind, 5 effluent exceedances, latest January 31, 2023, largest 921% over the limit.
- BOD, 5-day, 20 deg. C: 6 limits, 91 violations of any kind, 3 effluent exceedances, latest November 30, 2007, largest 63% over the limit.
- Temperature, water deg. centigrade: 2 limits, 35 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 26 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 2 limits, 20 violations of any kind, 0 effluent exceedances.
- Nitrogen, ammonia total [as N]: 2 limits, 20 violations of any kind, 0 effluent exceedances.
- Nitrogen, Kjeldahl, total [as N]: 2 limits, 20 violations of any kind, 0 effluent exceedances.
- Hardness, total [as CaCO3]: 2 limits, 19 violations of any kind, 0 effluent exceedances.
- Turbidity: 0 limits, 14 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity: 0 limits, 14 violations of any kind, 0 effluent exceedances.
- Alkalinity, total [as CaCO3]: 2 limits, 12 violations of any kind, 0 effluent exceedances.
- Phosphate, ortho [as P]: 2 limits, 12 violations of any kind, 0 effluent exceedances.
- Nitrite + Nitrate total [as N]: 0 limits, 12 violations of any kind, 0 effluent exceedances.
- Phosphorous, total organic [as P]: 0 limits, 12 violations of any kind, 0 effluent exceedances.
- Alkalinity, carbonate [as CaCO3]: 0 limits, 10 violations of any kind, 0 effluent exceedances.
- Nitrite plus nitrate dissolved 1 det.: 2 limits, 8 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 2 limits, 8 violations of any kind, 0 effluent exceedances.
- Nickel, total recoverable: 0 limits, 8 violations of any kind, 0 effluent exceedances.
- Zinc, total recoverable: 0 limits, 8 violations of any kind, 0 effluent exceedances.
- Copper, total recoverable: 0 limits, 8 violations of any kind, 0 effluent exceedances.
- Floating solids, waste or visible foam-visual: 0 limits, 6 violations of any kind, 0 effluent exceedances.
- Phosphate, ortho, dissolved [as P]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- September 15, 2026: CWA 309G2A AO For Class I Penalties (EPA), $6,534 federal penalty.
- August 4, 2026: CWA 309A AO For Compliance (EPA).
- March 10, 2026: Evaluation (E).
Idaho holds 110 Publicly owned treatment works coverages of this permit type in EPA’s file; 84 were issued before ID0022799.
Coverages issued nearest ID0022799
- May 31, 2005: PRESTON, CITY OF - PRESTON WWTP, Preston, ID0020214, held by PRESTON, CITY OF
- June 15, 2005: RIGBY, CITY OF - RIGBY WWTP, Rigby, ID0020010, held by RIGBY, CITY OF
- June 29, 2005: HARRISON, CITY OF - HARRISON WWTP, Harrison, ID0021997, held by HARRISON, CITY OF
- August 3, 2005: GRANGEVILLE, CITY OF - GRANGEVILLE WWTP, Grangeville, ID0020036, held by GRANGEVILLE, CITY OF
- August 21, 2007: SALMON, CITY OF - SALMON WWTP, Salmon, ID0020001, held by SALMON, CITY OF
- April 21, 2009: KUNA, CITY OF - KUNA WWTP, Kuna, ID0028355, held by KUNA, CITY OF
- June 9, 2011: KAMIAH, CITY OF - KAMIAH WWTP, Kamiah, ID0028002, held by KAMIAH, CITY OF
- June 21, 2011: OROFINO, CITY OF - OROFINO WWTP, Orofino, ID0020150, held by OROFINO, CITY OF
- August 5, 2011: NEZ PERCE TRIBE - LAPWAI VALLEY WWTP, Lapwai, ID0028347, held by NEZ PERCE TRIBE WATER RESOURCES DIVISION
- August 31, 2011: RIVERSIDE WATER AND SEWER DISTRICT - WWTP, Orofino, ID0024503, held by RIVERSIDE WATER AND SEWER DISTRICT
ST MARIES, CITY OF - ST MARIES WWTP among its neighbors
EPA’s permit file holds 12 discharge permits in the Pedee Creek-St Joe River subwatershed (HUC 170103041104), ID0022799 among them. Its county holds 19, 0 of them major permits; ID0022799 is a minor permit.
Other permits in the Pedee Creek-St Joe River subwatershed (HUC 170103041104)
- CHATCOLET IMPROVEMENT PROJECT, Plummer: IDR10I044, minor permit, permit term to February 16, 2027
- CPWSA WELL#3, St Maries: IDR10I04I, not classed
- GOOSEHAVEN RD TO ROUND LAKE RD, BENAWAH CO, St. Maries: IDR10I02C, minor permit, permit term to February 15, 2022
- HEYBURN STATE PARK WATER MAIN REPLACEMENT, Plummer: IDR10I02R, not classed
- JACK BUELL AIRPORT, St. Maries: IDR10I03L, minor permit, permit term to February 16, 2027
- POTLATCH LAND AND LUMBER LLC - ST MARIES COMPLEX, Saint Maries: IDR05B62I, not classed, discharging to ST JOE RIVER
- POTLATCH MILL SITE, St. Maries: IDR10I02Y, not classed
- POTLATCHDELTIC LAND AND LUMBER, LLC - ST MARIES COMPLEX, Saint Maries: ID0000019, minor permit, discharging to ST. JOE RIVER, permit term to October 31, 2001
- ROCKY POINT IMPROVEMENT PROJECT, Plummer: IDR10I04K, minor permit, permit term to February 16, 2027
- ST JOE RIVER BANK STABILIZATION PROJECT, St Maries: IDR10I00R, minor permit, permit term to February 15, 2022
Identity
| Facility as filed | ST MARIES, CITY OF - ST MARIES WWTP |
|---|---|
| Permittee as filed | ST. MARIES, CITY OF |
| NPDES ID | ID0022799 |
| 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 | September 17, 2007 |
| Expiration date | September 30, 2012 |
| Address | Saint Maries, ID 83861 |
| Receiving water | ST. JOE RIVER |
| Subwatershed | Pedee Creek-St Joe River (HUC 170103041104) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 29Pollutants on file
- 17Under a numeric limit
- 29With 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, percent removal | 1 | 89 | 76 | December 31, 2025 | 561% over the limit |
| pH | 2 | 82 | 56 | April 30, 2017 | |
| Solids, suspended percent removal | 1 | 57 | 47 | December 31, 2025 | 561% over the limit |
| Chlorine, total residual | 8 | 53 | 11 | November 30, 2016 | 36% over the limit |
| Solids, total suspended | 6 | 74 | 10 | June 30, 2025 | 73% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 17 | 10 | June 30, 2003 | 99,999% over the limit |
| Flow rate | 0 | 24 | 7 | December 31, 1998 | 41,700% over the limit |
| E. coli, MTEC-MF | 2 | 25 | 5 | January 31, 2023 | 921% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 91 | 3 | November 30, 2007 | 63% over the limit |
| Temperature, water deg. centigrade | 2 | 35 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 26 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 20 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 20 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 20 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 19 | 0 | ||
| Turbidity | 0 | 14 | 0 | ||
| Whole effluent toxicity | 0 | 14 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 12 | 0 | ||
| Phosphate, ortho [as P] | 2 | 12 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 12 | 0 | ||
| Phosphorous, total organic [as P] | 0 | 12 | 0 | ||
| Alkalinity, carbonate [as CaCO3] | 0 | 10 | 0 | ||
| Nitrite plus nitrate dissolved 1 det. | 2 | 8 | 0 | ||
| Phosphorus, total [as P] | 2 | 8 | 0 | ||
| Nickel, total recoverable | 0 | 8 | 0 | ||
| Zinc, total recoverable | 0 | 8 | 0 | ||
| Copper, total recoverable | 0 | 8 | 0 | ||
| Floating solids, waste or visible foam-visual | 0 | 6 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 0 | 2 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES ID0022799.
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| March 10, 2026 | Evaluation | E |
Formal enforcement and penalties
2 formal actions, 1 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.
| Date | What EPA recorded | Agency | Federal penalty | State or local penalty |
|---|---|---|---|---|
| September 15, 2026 | CWA 309G2A AO For Class I Penalties | EPA | $6,534 | |
| August 4, 2026 | CWA 309A AO For Compliance | EPA |
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES ID0022799.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.