Clean Water Act discharge permit · NPDES MO0130303
HAWTHORNE TRACE WWTF, Gravois Mills, MO: NPDES MO0130303 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
HAWTHORNE TRACE WWTF, held by Hawthorne Trace HOA, holds NPDES permit MO0130303, which discharges to Lake Of The Ozarks. EPA’s file records it issued November 27, 2017 and expiring June 30, 2022. 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 | HAWTHORNE TRACE WWTF |
|---|---|
| Permittee as filed | Hawthorne Trace HOA |
| NPDES ID | MO0130303 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 27, 2017 |
| Expiration date | June 30, 2022 |
| Address | Gravois Mills, MO 65037 |
| Receiving water | Lake of the Ozarks |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Soap Creek-Lake of the Ozarks (HUC 102901090405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 6Under a numeric limit
- 8With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 24 | 6 | June 30, 2009 | 190% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 20 | 2 | June 30, 2009 | 28% over the limit |
| Coliform, fecal general | 0 | 2 | 2 | June 30, 2008 | 24,999,900% over the limit |
| pH | 2 | 18 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 18 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 18 | 0 | ||
| E. coli | 2 | 10 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 4 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 30, 2020 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 28, 2019 | Reporting Violations - Failure to Submit DMRs | 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 MO0130303 there.
Nearby on the register
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- Every permit record in Gravois Mills, A to Z
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.