Clean Water Act discharge permit · NPDES MO0089109
NEVADA WWTP, Nevada, MO: NPDES MO0089109 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 31Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
NEVADA WWTP, held by City of Nevada, holds NPDES permit MO0089109, which discharges to L. Dry Wood Cr.. EPA’s file records it issued June 1, 2024 and expiring May 31, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | NEVADA WWTP |
|---|---|
| Permittee as filed | City of Nevada |
| NPDES ID | MO0089109 |
| 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, 2024 |
| Expiration date | May 31, 2029 |
| Address | Nevada, MO 64772 |
| Receiving water | L. Dry Wood Cr. |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Dry Wood Creek (HUC 102901040406) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 37Pollutants on file
- 31Under a numeric limit
- 20With 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 |
|---|---|---|---|---|---|
| pH | 4 | 13 | 5 | May 31, 2009 | |
| Nitrogen, ammonia total [as N] | 5 | 11 | 5 | May 31, 2010 | 228% over the limit |
| BOD, 5-day, percent removal | 1 | 3 | 3 | June 30, 2026 | 193% over the limit |
| Copper, total recoverable | 2 | 10 | 2 | October 31, 2011 | 178% over the limit |
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 11 | 1 | July 31, 2023 | |
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 11 | 1 | July 31, 2023 | |
| Phenol | 2 | 9 | 1 | April 30, 2022 | 103% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 7 | 1 | May 31, 2010 | 47% over the limit |
| Zinc, total recoverable | 2 | 8 | 0 | ||
| Iron, total recoverable | 0 | 8 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 0 | 8 | 0 | ||
| Chromium, trivalent total recoverable | 0 | 8 | 0 | ||
| Solids, total suspended | 3 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 3 | 0 | ||
| Phosphorus, total [as P] | 3 | 2 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Chloride | 2 | 2 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 3 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 3 | 0 | 0 | ||
| Temperature, water deg. centigrade | 2 | 0 | 0 | ||
| Sulfate [as S] | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Fluoride | 2 | 0 | 0 | ||
| Cobalt, total recoverable | 2 | 0 | 0 | ||
| Boron, total recoverable | 2 | 0 | 0 | ||
| Aluminum, total recoverable | 2 | 0 | 0 | ||
| E. coli | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 | ||
| p-Cresol | 2 | 0 | 0 | ||
| Benzoic acids, total | 2 | 0 | 0 | ||
| .alpha.-Terpineol | 2 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 | ||
| Flow, total | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 6, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| December 6, 2024 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| August 10, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MO0089109 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.