Clean Water Act discharge permit · NPDES MO0040002
EL DORADO SPRINGS WWTP, El Dorado Springs, MO: NPDES MO0040002 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
EL DORADO SPRINGS WWTP, held by EL DORADO SPRINGS WWTF, holds NPDES permit MO0040002, which discharges to Walnut Cr.. EPA’s file records it issued September 5, 2003 and expiring September 4, 2008. 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 DORADO SPRINGS WWTP |
|---|---|
| Permittee as filed | EL DORADO SPRINGS WWTF |
| NPDES ID | MO0040002 |
| 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 | September 5, 2003 |
| Expiration date | September 4, 2008 |
| Address | El Dorado Springs, MO 64744 |
| Receiving water | WALNUT CR. |
| Subwatershed | Kitten Creek-Clear Creek (HUC 102901050107) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 9Under a numeric limit
- 14With a violation of any kind
- 6With 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 | 0 | 19 | 13 | August 31, 2022 | 1,272% over the limit |
| Nitrogen, ammonia total [as N] | 15 | 23 | 9 | December 31, 2025 | 1,321% over the limit |
| BOD, 5-day, percent removal | 0 | 11 | 4 | July 31, 2019 | 9% over the limit |
| Solids, total suspended | 8 | 17 | 3 | March 31, 2019 | 561% over the limit |
| pH | 10 | 15 | 1 | September 30, 2019 | |
| BOD, 5-day, 20 deg. C | 8 | 15 | 1 | March 31, 2019 | 7% over the limit |
| Flow, in conduit or thru treatment plant | 12 | 16 | 0 | ||
| Oxygen, dissolved [DO] | 6 | 14 | 0 | ||
| Solids, suspended percent removal | 0 | 7 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 6 | 0 | ||
| Nitrogen, total [as N] | 0 | 6 | 0 | ||
| Phosphorus, total [as P] | 0 | 6 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 0 | 1 | 0 | ||
| Ammonia [as N] + unionized ammonia | 4 | 0 | 0 | ||
| Temperature, water deg. centigrade | 3 | 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 |
|---|---|---|
| March 31, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| March 26, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| December 23, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| March 23, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| December 27, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| April 25, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
| April 25, 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.
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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 MO0040002 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.