Clean Water Act discharge permit · NPDES MO0036382
JCPSD SUMMER SET WWTP, De Soto, MO: NPDES MO0036382 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
JCPSD SUMMER SET WWTP, held by Jefferson County Public Sewer District, holds NPDES permit MO0036382, which discharges to Tributary To Falling Rock Branch. EPA’s file records it issued October 19, 2022 and expiring October 31, 2027. 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 | JCPSD SUMMER SET WWTP |
|---|---|
| Permittee as filed | Jefferson County Public Sewer District |
| NPDES ID | MO0036382 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 19, 2022 |
| Expiration date | October 31, 2027 |
| Address | De Soto, MO 63020 |
| Receiving water | Tributary to Falling Rock Branch |
| Subwatershed | Upper Joachim Creek (HUC 071401010801) |
| 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
- 14Pollutants on file
- 12Under a numeric limit
- 14With 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] | 20 | 143 | 129 | June 30, 2026 | 8,500% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 64 | 64 | April 30, 2016 | 15,043% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 47 | 31 | February 28, 2026 | 925% over the limit |
| Solids, total suspended | 3 | 41 | 25 | February 28, 2026 | 513% over the limit |
| E. coli | 2 | 35 | 25 | September 30, 2023 | 1,820% over the limit |
| Solids, suspended percent removal | 1 | 9 | 7 | April 30, 2026 | 183% over the limit |
| pH | 2 | 15 | 1 | December 31, 2021 | |
| BOD, 5-day, percent removal | 1 | 3 | 1 | June 30, 2022 | 14% over the limit |
| Phosphorus, total [as P] | 4 | 30 | 0 | ||
| Nitrogen, total [as N] | 0 | 26 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 14 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 4 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 4 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 2 | 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
- 13Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 30, 2025 | Effluent Violations - Narrative Effluent Violation | ST6 |
| July 30, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| June 18, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| September 19, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| October 31, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| March 25, 2022 | Effluent Violations - Narrative Effluent Violation | ST6 |
| December 16, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 22, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 30, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| July 3, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 6, 2017 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 6, 2017 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| March 21, 2017 | Reporting Violations - Improper/ Incorrect Reporting | 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, MO0036382.
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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 MO0036382 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.