Clean Water Act discharge permit · NPDES OK0027693
SPIRO MIA, Spiro, OK: NPDES OK0027693 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
SPIRO MIA, held by Spiro Municipal Improvement Authority, holds NPDES permit OK0027693, which discharges to 220200010010_00 Arkansas River. EPA’s file records it issued September 5, 2019 and expiring September 30, 2024.
SPIRO MIA, Spiro, Oklahoma: Individual permit OK0027693, held by Spiro Municipal Improvement Authority; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 5, 2019, term to September 30, 2024, by ODEQ; discharges to 220200010010_00 Arkansas River; Sewage Treatment Facilities.
- Chlorine, total residual: 1 limit, 30 violations of any kind, 10 effluent exceedances, latest October 31, 2021, largest 900% over the limit.
- Solids, total suspended: 3 limits, 61 violations of any kind, 8 effluent exceedances, latest January 31, 2026, largest 136% over the limit.
- pH: 2 limits, 42 violations of any kind, 8 effluent exceedances, latest July 31, 2018.
- E. coli: 2 limits, 14 violations of any kind, 8 effluent exceedances, latest August 31, 2025, largest 4,826% over the limit.
- BOD, 5-day, 20 deg. C: 3 limits, 54 violations of any kind, 1 effluent exceedance, latest February 29, 2016, largest 49% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 38 violations of any kind, 0 effluent exceedances.
- Coliform, fecal general: 0 limits, 26 violations of any kind, 0 effluent exceedances.
- Solids, total dissolved [TDS]: 0 limits, 1 violation of any kind, 0 effluent exceedances.
- December 25, 2024: Effluent Violations - Unapproved Bypass (ST6).
- August 12, 2024: Effluent Violations - Unapproved Bypass (ST6).
- June 6, 2024: Effluent Violations - Unapproved Bypass (ST6).
- May 23, 2024: Effluent Violations - Unapproved Bypass (ST6).
- April 23, 2024: Effluent Violations - Unapproved Bypass (ST6).
- April 10, 2024: Effluent Violations - Unapproved Bypass (ST6).
- March 25, 2024: Effluent Violations - Unapproved Bypass (ST6).
- March 14, 2024: Effluent Violations - Unapproved Bypass (ST6).
- June 10, 2023: Effluent Violations - Unapproved Bypass (ST6).
- March 24, 2023: Effluent Violations - Unapproved Bypass (ST6).
- November 4, 2022: Effluent Violations - Unapproved Bypass (ST6).
- June 8, 2022: Effluent Violations - Unapproved Bypass (ST6).
- April 18, 2022: Effluent Violations - Unapproved Bypass (ST6).
- February 22, 2022: Effluent Violations - Unapproved Bypass (ST6).
- January 1, 2022: Effluent Violations - Unapproved Bypass (ST6).
- November 11, 2021: Effluent Violations - Unapproved Bypass (ST6).
- July 18, 2021: Effluent Violations - Unapproved Bypass (ST6).
- July 17, 2021: Effluent Violations - Unapproved Bypass (ST6).
- May 3, 2021: Effluent Violations - Unapproved Bypass (ST6).
- April 24, 2021: Effluent Violations - Unapproved Bypass (ST6).
- April 14, 2021: Effluent Violations - Unapproved Bypass (ST6).
- April 9, 2021: Effluent Violations - Unapproved Bypass (ST6).
- November 2, 2020: Effluent Violations - Unapproved Bypass (ST6).
- August 31, 2020: Effluent Violations - Unapproved Bypass (ST6).
- July 13, 2020: Effluent Violations - Unapproved Bypass (ST6).
- December 26, 2018: Effluent Violations - Unapproved Bypass (ST6).
- December 13, 2018: Effluent Violations - Unapproved Bypass (ST6).
- November 1, 2018: Effluent Violations - Unapproved Bypass (ST6).
- April 5, 2018: Permit Violations - Violation Specified in Comment (ST6).
- January 22, 2018: Effluent Violations - Unapproved Bypass (ST6).
Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 142 were issued before OK0027693.
Coverages issued nearest OK0027693
- July 19, 2019: LONE GROVE WASTEWATER TREATMENT FACILITY, Lone Grove, OK0034266, held by Lone Grove -East
- July 19, 2019: BRIDGE CREEK PUBLIC SCHOOLS, Blanchard, OK0038458, held by Bridge Creek Public School
- July 22, 2019: LANGSTON PUBLIC WORKS AUTH., Langston, OK0027511, held by Langston PWA
- August 1, 2019: ALTUS, CITY OF - SW WDS, Altus, OK0028045, held by Altus, City of(SW WDS)
- September 2, 2019: LANGLEY PUBLIC WORKS AUTHORITY, Langley, OK0039128, held by Langely PWA
- October 11, 2019: LEXINGTON PUBLIC WORKS AUTH, Lexington, OK0022756, held by Lexington PWA
- November 1, 2019: LONE ELM MOBILE HOME PARK, Claremore, OK0037664, held by Lone Elm MHP
- November 4, 2019: OKEMAH UTILITIES AUTHORITY, Okemah, OK0020737, held by Okemah Utilities Authority
- December 19, 2019: STILWELL AREA DEVELOPMENT AUTH, Stilwell, OK0030341, held by Stilwell Area Development Authority
- December 23, 2019: THOMAS PWA, Thomas, OK0038971, held by Thomas PWA
SPIRO MIA among its neighbors
EPA’s permit file holds 1 discharge permits in the Lower Cache Creek subwatershed (HUC 111101040603), OK0027693 among them. Its county holds 21, 1 of them major permits; OK0027693 is a minor permit.
Identity
| Facility as filed | SPIRO MIA |
|---|---|
| Permittee as filed | Spiro Municipal Improvement Authority |
| NPDES ID | OK0027693 |
| 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 5, 2019 |
| Expiration date | September 30, 2024 |
| Issuing agency | ODEQ |
| Address | Spiro, OK 74959 |
| Receiving water | 220200010010_00 Arkansas River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Cache Creek (HUC 111101040603) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 8Pollutants on file
- 6Under a numeric limit
- 8With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 30 | 10 | October 31, 2021 | 900% over the limit |
| Solids, total suspended | 3 | 61 | 8 | January 31, 2026 | 136% over the limit |
| pH | 2 | 42 | 8 | July 31, 2018 | |
| E. coli | 2 | 14 | 8 | August 31, 2025 | 4,826% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 54 | 1 | February 29, 2016 | 49% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 38 | 0 | ||
| Coliform, fecal general | 0 | 26 | 0 | ||
| Solids, total dissolved [TDS] | 0 | 1 | 0 |
Inspections, violations and enforcement
- 30Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 25, 2024 | Effluent Violations - Unapproved Bypass | ST6 |
| August 12, 2024 | Effluent Violations - Unapproved Bypass | ST6 |
| June 6, 2024 | Effluent Violations - Unapproved Bypass | ST6 |
| May 23, 2024 | Effluent Violations - Unapproved Bypass | ST6 |
| April 23, 2024 | Effluent Violations - Unapproved Bypass | ST6 |
| April 10, 2024 | Effluent Violations - Unapproved Bypass | ST6 |
| March 25, 2024 | Effluent Violations - Unapproved Bypass | ST6 |
| March 14, 2024 | Effluent Violations - Unapproved Bypass | ST6 |
| June 10, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| March 24, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| November 4, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| June 8, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| April 18, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| February 22, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| January 1, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| November 11, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| July 18, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| July 17, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| May 3, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| April 24, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| April 14, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| April 9, 2021 | Effluent Violations - Unapproved Bypass | ST6 |
| November 2, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| August 31, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| July 13, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| December 26, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
| December 13, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
| November 1, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
| April 5, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| January 22, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES OK0027693.
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 OK0027693.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.