Clean Water Act discharge permit · NPDES MO0100676
ELDON WWTP, Eldon, MO: NPDES MO0100676 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 17Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
ELDON WWTP, held by City of Eldon, holds NPDES permit MO0100676, which discharges to Blythes Creek. EPA’s file records it issued June 1, 2020 and expiring December 31, 2024. 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 | ELDON WWTP |
|---|---|
| Permittee as filed | City of Eldon |
| NPDES ID | MO0100676 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 1, 2020 |
| Expiration date | December 31, 2024 |
| Address | Eldon, MO 65026 |
| Receiving water | Blythes Creek |
| Subwatershed | Blythes Creek (HUC 103001021201) |
| Program components on file | Biosolids, POTW, Pretreatment |
| 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
- 30Pollutants on file
- 17Under a numeric limit
- 28With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Oil and grease [soxhlet extr.] tot. | 2 | 151 | 74 | November 30, 2016 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 131 | 13 | October 31, 2010 | 212% over the limit |
| Cyanide, free [amenable to chlorination] | 0 | 16 | 6 | September 30, 2010 | 425% over the limit |
| E. coli | 2 | 6 | 4 | June 30, 2026 | 1,308% over the limit |
| Copper, total recoverable | 4 | 15 | 3 | March 31, 2026 | 48% over the limit |
| Silver total recoverable | 0 | 12 | 2 | September 30, 2006 | 25% over the limit |
| Lead, total recoverable | 0 | 12 | 2 | September 30, 2006 | 54% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 7 | 2 | March 31, 2018 | 447% over the limit |
| pH | 2 | 5 | 1 | March 31, 2021 | |
| Zinc, total recoverable | 2 | 12 | 0 | ||
| Cadmium, total recoverable | 0 | 12 | 0 | ||
| Nickel, total recoverable | 0 | 10 | 0 | ||
| Phosphorus, total [as P] | 4 | 8 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 6 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 0 | 6 | 0 | ||
| Chromium, trivalent total recoverable | 0 | 6 | 0 | ||
| Solids, total suspended | 3 | 5 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 4 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Nitrogen, total [as N] | 0 | 4 | 0 | ||
| Chromium, total recoverable | 0 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 1 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 0 | 1 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| BOD, 5-day, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 18, 2026 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| March 18, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| March 18, 2026 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| January 25, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| July 31, 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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Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.