Clean Water Act discharge permit · NPDES MOGD00399
GEMSTONE ACRES WWTF, Kimberling City, MO: NPDES MOGD00399 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
GEMSTONE ACRES WWTF, held by Tim Hoehn, holds NPDES permit MOGD00399, which discharges to Table Rock Lake. EPA’s file records it issued September 1, 2019 and expiring June 30, 2024. 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 | GEMSTONE ACRES WWTF |
|---|---|
| Permittee as filed | Tim Hoehn |
| NPDES ID | MOGD00399 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 1, 2019 |
| Expiration date | June 30, 2024 |
| Address | Kimberling City, MO 65686 |
| Receiving water | Table Rock Lake |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cow Creek-Table Rock Lake (HUC 110100011401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 5With a violation of any kind
- 4With 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] | 2 | 15 | 15 | September 30, 2026 (as filed; later than the file's load date) | 563% over the limit |
| Phosphorus, total [as P] | 2 | 13 | 13 | September 30, 2026 (as filed; later than the file's load date) | 460% over the limit |
| Aluminum, total recoverable | 2 | 3 | 3 | June 30, 2024 | 114% over the limit |
| E. coli | 2 | 3 | 3 | June 30, 2026 | 377% over the limit |
| Iron, total recoverable | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 8, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| April 28, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| April 28, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 22, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| December 20, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| March 26, 2021 | Effluent Violations - Numeric effluent violation | 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, MOGD00399.
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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 MOGD00399 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.