Clean Water Act discharge permit · NPDES OK0100382
EL RENO MUNICIPAL AUTHORITY, El Reno, OK: NPDES OK0100382 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 49Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
EL RENO MUNICIPAL AUTHORITY, held by El Reno Municipal Authority, holds NPDES permit OK0100382, which discharges to 520530000010_10 North Canadian River. EPA’s file records it issued May 11, 2015 and expiring May 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | EL RENO MUNICIPAL AUTHORITY |
|---|---|
| Permittee as filed | El Reno Municipal Authority |
| NPDES ID | OK0100382 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 11, 2015 |
| Expiration date | May 31, 2020 |
| Issuing agency | ODEQ |
| Address | El Reno, OK 73036 |
| Receiving water | 520530000010_10 North Canadian River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Fourmile Creek-North Canadian River (HUC 111003010702) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 49Pollutants on file
- 49Under a numeric limit
- 21With 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 |
|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | 4 | 17 | 3 | April 30, 2021 | 92% over the limit |
| Solids, total suspended | 3 | 20 | 2 | March 31, 2021 | 38% over the limit |
| Nitrogen, ammonia total [as N] | 7 | 34 | 1 | June 30, 2020 | 16% over the limit |
| Oxygen, dissolved [DO] | 1 | 7 | 1 | November 30, 2023 | 8% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 24 | 0 | ||
| pH | 4 | 18 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 18 | 0 | ||
| Phosphorus, total [as P] | 1 | 6 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 3 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 1 | 3 | 0 | ||
| %Mortality 7Day Chronic Ceriodaphnia dubia | 1 | 3 | 0 | ||
| %Mortality Static Renewal 7Day Chronic Pimephales Promelas | 1 | 3 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 3 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 1 | 3 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 3 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 3 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 3 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 3 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 3 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 1 | 3 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 1 | 0 | ||
| Arsenic, dry weight | 5 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 5 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 2 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 2 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 2 | 0 | 0 | ||
| Level of pathogen requirements achieved | 2 | 0 | 0 | ||
| Description of pathogen option used | 2 | 0 | 0 | ||
| Vector attraction reduction alternative used | 2 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 0 | 0 | ||
| Annual amt of sludge incinerated | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amount of sludge land applied | 1 | 0 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Annual amt sludge transported interstate | 1 | 0 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 0 | 0 | ||
| Unit boundary to property line distance | 1 | 0 | 0 | ||
| Pollutant table from 503.13 | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 12, 2019 | Effluent Violations - Reported Fish Kill | ST6 |
| August 12, 2019 | Effluent Violations - Unapproved Bypass | ST6 |
| August 8, 2019 | Effluent Violations - Unapproved Bypass | ST6 |
| February 1, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 1, 2019 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| January 1, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 21, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.