Clean Water Act discharge permit · NPDES MO0137294
BCRSD ROCKY FORK WWTP, Columbia, MO: NPDES MO0137294 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
BCRSD ROCKY FORK WWTP, held by Boone County Regional Sewer District, holds NPDES permit MO0137294, which discharges to Tributary To Rocky Fork. EPA’s file records it issued December 11, 2014 and expiring December 31, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BCRSD ROCKY FORK WWTP |
|---|---|
| Permittee as filed | Boone County Regional Sewer District |
| NPDES ID | MO0137294 |
| 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 | December 11, 2014 |
| Expiration date | December 31, 2019 |
| Address | Columbia, MO 65202 |
| Receiving water | Tributary to Rocky Fork |
| Subwatershed | Rocky Fork Creek (HUC 103001020706) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 13Pollutants on file
- 10Under a numeric limit
- 12With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 12 | 6 | February 28, 2021 | 271% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 9 | 5 | March 31, 2025 | 34% over the limit |
| Solids, total suspended | 3 | 7 | 3 | December 31, 2024 | 85% over the limit |
| Oxygen, dissolved [DO] | 2 | 2 | 2 | June 30, 2022 | 6% over the limit |
| BOD, 5-day, percent removal | 0 | 2 | 2 | March 31, 2025 | 67% over the limit |
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 1 | December 31, 2018 | 2,147,483,650% over the limit |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 1 | 1 | December 31, 2018 | 2,147,483,650% over the limit |
| Solids, suspended percent removal | 0 | 1 | 1 | May 31, 2025 | 33% over the limit |
| pH | 2 | 4 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| E. coli | 2 | 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 |
|---|---|---|
| September 29, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| September 29, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| March 28, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| May 10, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| May 10, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 18, 2017 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 18, 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 October 14, 2026.