NPDES OK0020711 · Clean Water Act
STIGLER MUNICIPAL IMPROVEMENT AUTHORITY, Stigler, OK: NPDES OK0020711 discharge permit, effluent exceedances, inspections, penalties
STIGLER MUNICIPAL IMPROVEMENT AUTHORITY, Stigler, Oklahoma: Individual permit OK0020711, held by Stigler MIA; Publicly owned treatment works; Administratively continued; issued June 26, 2019, term to July 31, 2024, by ODEQ; discharges to 220300000030_00 Snake Ck/Taloka Ck/Canadian R Basi; Sewage Treatment Facilities.
- BOD, 5-day, 20 deg. C: 6 limits, 411 violations of any kind, 366 effluent exceedances, latest February 28, 2026, largest 14,933% over the limit.
- Solids, total suspended: 12 limits, 199 violations of any kind, 118 effluent exceedances, latest May 31, 2025, largest 602% over the limit.
- Coliform, fecal general: 0 limits, 37 violations of any kind, 13 effluent exceedances, latest July 31, 2018, largest 4,400% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 6 limits, 38 violations of any kind, 11 effluent exceedances, latest May 31, 2026, largest 23,317% over the limit.
- pH: 4 limits, 75 violations of any kind, 9 effluent exceedances, latest October 31, 2017.
- Oxygen, dissolved [DO]: 2 limits, 18 violations of any kind, 3 effluent exceedances, latest October 31, 2017, largest 40% over the limit.
- E. coli: 4 limits, 4 violations of any kind, 2 effluent exceedances, latest May 31, 2025, largest 1,402% over the limit.
- Flow, in conduit or thru treatment plant: 4 limits, 66 violations of any kind.
- Nitrogen, ammonia total [as N]: 3 limits, 27 violations of any kind.
- Chlorine, total residual: 1 limit, 4 violations of any kind.
- August 5, 2026: Evaluation (S).
- April 10, 2026: State CWA Non Penalty AO (State).
- February 25, 2021: Management Practice Violations - Best Management Practice Deficiencies (ST6).
- November 22, 2019: Effluent Violations - Unauthorized Discharge (ST6).
- November 22, 2019: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).
- January 30, 2019: Permit Violations - Violation Specified in Comment (ST6).
Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 135 were issued before OK0020711.
Coverages issued nearest OK0020711
- 2019-03-03: VIAN PWA, Vian: OK0021512, held by Vian PWA
- 2019-04-09: MCLOUD PWA, Mcloud: OK0029009, held by McLoud PWA
- 2019-05-06: WATONGA, CITY OF, Watonga: OK0021911, held by Watonga, City of
- 2019-05-08: WEBBERS FALLS, CITY OF, Webbers Falls: OK0034631, held by Webbers Falls, City of
- 2019-05-16: STROUD UTILITIES AUTH-SOUTH PL, Stroud: OK0027359, held by Stroud Utilities Authority-South Plant
- 2019-07-12: BOKOSHE PWA, Bokoshe: OK0027731, held by Bokoshe PWA
- 2019-07-19: LONE GROVE WASTEWATER TREATMENT FACILITY, Lone Grove: OK0034266, held by Lone Grove -East
- 2019-07-19: BRIDGE CREEK PUBLIC SCHOOLS, Blanchard: OK0038458, held by Bridge Creek Public School
- 2019-07-22: LANGSTON PUBLIC WORKS AUTH., Langston: OK0027511, held by Langston PWA
- 2019-08-01: ALTUS, CITY OF - SW WDS, Altus: OK0028045, held by Altus, City of(SW WDS)
STIGLER MUNICIPAL IMPROVEMENT AUTHORITY among its neighbors
1 discharge permits are in the Taloka Creek subwatershed (HUC 110902040802); OK0020711 is one. Its county: 5, 0 major; OK0020711 is minor permit.
Identity
| Facility | STIGLER MUNICIPAL IMPROVEMENT AUTHORITY |
|---|---|
| Permittee | Stigler MIA |
| NPDES ID | OK0020711 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 26, 2019 |
| Expires | July 31, 2024 |
| Agency | ODEQ |
| Address | Stigler, OK 74462 |
| Receiving water | 220300000030_00 Snake Ck/Taloka Ck/Canadian R Basi |
| Subwatershed | Taloka Creek (HUC 110902040802) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
NPDES OK0020711: effluent limits and exceedances
STIGLER MUNICIPAL IMPROVEMENT AUTHORITY (NPDES OK0020711): 10 pollutants on file, 9 limited; 10 with a violation of any kind, 7 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 6 | 411 | 366 | February 28, 2026 | 14,933% over the limit |
| Solids, total suspended | 12 | 199 | 118 | May 31, 2025 | 602% over the limit |
| Coliform, fecal general | 0 | 37 | 13 | July 31, 2018 | 4,400% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 38 | 11 | May 31, 2026 | 23,317% over the limit |
| pH | 4 | 75 | 9 | October 31, 2017 | |
| Oxygen, dissolved [DO] | 2 | 18 | 3 | October 31, 2017 | 40% over the limit |
| E. coli | 4 | 4 | 2 | May 31, 2025 | 1,402% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 66 | 0 | ||
| Nitrogen, ammonia total [as N] | 3 | 27 | 0 | ||
| Chlorine, total residual | 1 | 4 | 0 |
NPDES OK0020711: inspections, violations and enforcement
NPDES OK0020711: 4 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 25, 2021 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| November 22, 2019 | Effluent Violations - Unauthorized Discharge | ST6 |
| November 22, 2019 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| January 30, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES OK0020711: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| August 5, 2026 | Evaluation | S |
NPDES OK0020711: 1 formal enforcement action
0 of them with a penalty assessed. How penalties are shown.
| Date | What EPA recorded | Agency | Federal penalty | State or local penalty |
|---|---|---|---|---|
| April 10, 2026 | State CWA Non Penalty AO | State |
NPDES OK0020711 (STIGLER MUNICIPAL IMPROVEMENT AUTHORITY): no informal enforcement action on file.
Watch NPDES OK0020711
NPDES OK0020711: one email when its EPA record changes — $99/month.
Permits near NPDES OK0020711
NPDES OK0020711: 10 pollutant rows, 6 dated events; ICIS-NPDES download, loaded October 14, 2026.