Clean Water Act discharge permit · NPDES MS0045446
JACKSON COUNTY UTILITY AUTHORITY, POTW 1C, Ocean Springs, MS: NPDES MS0045446 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
JACKSON COUNTY UTILITY AUTHORITY, POTW 1C holds NPDES permit MS0045446, which discharges to Costophia. EPA’s file records it issued January 7, 2020 and expiring December 31, 2024. 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 | JACKSON COUNTY UTILITY AUTHORITY, POTW 1C |
|---|---|
| Permittee as filed | JACKSON COUNTY UTILITY AUTHORITY, POTW 1C |
| NPDES ID | MS0045446 |
| 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 | January 7, 2020 |
| Expiration date | December 31, 2024 |
| Issuing agency | MDEQ |
| Address | Ocean Springs, MS 39564 |
| Receiving water | COSTOPHIA |
| Subwatershed | Bayou Costapia (HUC 031700090402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 15Under a numeric limit
- 17With a violation of any kind
- 12With 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 | 0 | 52 | 44 | July 31, 2019 | 160% over the limit |
| Copper, total recoverable | 2 | 19 | 19 | April 30, 2024 | 730% over the limit |
| Solids, total suspended | 8 | 27 | 15 | March 31, 2023 | 137% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 15 | 15 | May 31, 2026 | 177% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 17 | 9 | January 31, 2023 | 113% over the limit |
| Mercury, total recoverable | 0 | 9 | 9 | September 30, 2011 | 58% over the limit |
| Solids, suspended percent removal | 1 | 7 | 6 | May 31, 2014 | 347% over the limit |
| Chromium, hexavalent [as Cr] | 0 | 6 | 6 | September 30, 2011 | 700% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 5 | 4 | June 30, 2026 | 18% over the limit |
| BOD, 5-day, percent removal | 0 | 5 | 4 | May 31, 2011 | 113% over the limit |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 3 | 3 | June 30, 2026 | 100% over the limit |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | 1 | 2 | 2 | June 30, 2026 | 100% over the limit |
| pH | 2 | 2 | 0 | ||
| Chlorine, total residual | 2 | 2 | 0 | ||
| Coliform, fecal general | 0 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| BOD, carbonaceous, percent removal | 1 | 1 | 0 | ||
| Nitrogen, total [as N] | 8 | 0 | 0 | ||
| Phosphorus, total [as P] | 8 | 0 | 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
- 87Single-event violations
The newest 50 of 87.
| Date | What EPA recorded | Agency |
|---|---|---|
| August 31, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| August 2, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| August 2, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| August 2, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| August 2, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| August 2, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| August 2, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| July 12, 2026 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| July 6, 2026 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| June 30, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 25, 2026 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| June 22, 2026 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 20, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 20, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 20, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 19, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 18, 2026 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MS0045446.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MS0045446 there.
Nearby on the register
- Discharge permits in Ocean Springs
- Every permit record in Ocean Springs, A to Z
- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.