Clean Water Act discharge permit · NPDES OK0020770
WALTERS, CITY OF, Walters, OK: NPDES OK0020770 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 0Inspections on file
- 1Formal enforcement actions
WALTERS, CITY OF, held by Walters, City of, holds NPDES permit OK0020770, which discharges to 311300010020_10 East Cache Creek. EPA’s file records it issued August 7, 2014 and expiring August 31, 2019.
WALTERS, CITY OF, Walters, Oklahoma: Individual permit OK0020770, held by Walters, City of; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued August 7, 2014, term to August 31, 2019, by ODEQ; discharges to 311300010020_10 East Cache Creek; Sewage Treatment Facilities.
- BOD, 5-day, 20 deg. C: 3 limits, 62 violations of any kind, 23 effluent exceedances, latest November 30, 2019, largest 107% over the limit.
- Solids, total suspended: 3 limits, 84 violations of any kind, 15 effluent exceedances, latest September 30, 2023, largest 85% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 32 violations of any kind, 8 effluent exceedances, latest September 30, 2023, largest 133% over the limit.
- Nitrogen, ammonia total [as N]: 3 limits, 26 violations of any kind, 2 effluent exceedances, latest October 31, 2008, largest 28% over the limit.
- pH: 2 limits, 46 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 46 violations of any kind, 0 effluent exceedances.
- E. coli: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 0 limits, 1 violation of any kind, 0 effluent exceedances.
- September 4, 2026: State CWA Penalty AO (State).
Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 30 were issued before OK0020770.
Coverages issued nearest OK0020770
- September 27, 2012: SHAWNEE MUNICIPAL AUTH- NORTH, Shawnee, OK0037893, held by Shawnee Municipal Authority-North
- January 24, 2013: SENECA-CAYUGA TRIBE, Miami, OK0039098, held by Seneca-Cayuga Tribe
- March 12, 2013: CANDIAN PUBLIC WORKS AUTH, Canadian, OK0035297, held by Canadian PWA
- November 26, 2013: SHAWNEE MUNICIPAL AUTH-SOUTH, Shawnee, OK0026051, held by Shawnee Municipal Auth-Southside WWTF
- August 1, 2014: BRISTOW, CITY OF, Bristow, OK0032549, held by Bristow, City of
- September 28, 2014: RED OAK PUBLIC WORKS AUTHORITY, Red Oak, OK0031631, held by Red Oak PWA
- October 9, 2014: BETHANY/WARR ACRES PWA, Oklahoma City, OK0026077, held by Bethany Warr Acres PWA -Bluff
- October 20, 2014: YUKON, CITY OF, Yukon, OK0028584, held by Yukon, City of
- November 24, 2014: BIXBY PWA (NORTH), Bixby, OK0036153, held by Bixby PWA (North)
- January 5, 2015: ADAIR, TOWN OF, Adair, OK0027197, held by Adair, Town of
WALTERS, CITY OF among its neighbors
EPA’s permit file holds 1 discharge permits in the David Boyer Lake-East Cache Creek subwatershed (HUC 111302020307), OK0020770 among them. Its county holds 3, 0 of them major permits; OK0020770 is a minor permit.
Identity
| Facility as filed | WALTERS, CITY OF |
|---|---|
| Permittee as filed | Walters, City of |
| NPDES ID | OK0020770 |
| 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 | August 7, 2014 |
| Expiration date | August 31, 2019 |
| Issuing agency | ODEQ |
| Address | Walters, OK 73572 |
| Receiving water | 311300010020_10 East Cache Creek |
| Subwatershed | David Boyer Lake-East Cache Creek (HUC 111302020307) |
| 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
- 4With 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 | 3 | 62 | 23 | November 30, 2019 | 107% over the limit |
| Solids, total suspended | 3 | 84 | 15 | September 30, 2023 | 85% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 32 | 8 | September 30, 2023 | 133% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 26 | 2 | October 31, 2008 | 28% over the limit |
| pH | 2 | 46 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 46 | 0 | ||
| E. coli | 0 | 2 | 0 | ||
| Chlorine, total residual | 0 | 1 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES OK0020770.
Inspections
EPA’s inspection file holds no inspection for NPDES OK0020770.
Formal enforcement and penalties
1 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.
| Date | What EPA recorded | Agency | Federal penalty | State or local penalty |
|---|---|---|---|---|
| September 4, 2026 | State CWA Penalty AO | State |
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES OK0020770.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.