Clean Water Act discharge permit · NPDES MO0091529
LAKE SHERWOOD ESTATES SUBDIVISION WWTP, Lake Sherwood, MO: NPDES MO0091529 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
LAKE SHERWOOD ESTATES SUBDIVISION WWTP, held by Lake Sherwood Estates Association, holds NPDES permit MO0091529, which discharges to Tributary To Wolf Creek. EPA’s file records it issued April 14, 2021 and expiring December 31, 2025. 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 | LAKE SHERWOOD ESTATES SUBDIVISION WWTP |
|---|---|
| Permittee as filed | Lake Sherwood Estates Association |
| NPDES ID | MO0091529 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 14, 2021 |
| Expiration date | December 31, 2025 |
| Address | Lake Sherwood, MO 63357 |
| Receiving water | Tributary to Wolf Creek |
| Subwatershed | Middle Charrette Creek (HUC 103002000506) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 10Under a numeric limit
- 12With a violation of any kind
- 7With 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] | 20 | 40 | 38 | October 31, 2025 | 2,600% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 36 | 16 | February 28, 2017 | 1,186% over the limit |
| E. coli | 2 | 15 | 15 | July 31, 2026 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 36 | 5 | April 30, 2025 | 199% over the limit |
| Solids, total suspended | 2 | 33 | 4 | February 29, 2016 | 52% over the limit |
| E. coli, colony forming units [CFU] | 0 | 14 | 2 | July 31, 2015 | 198% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 23 | 1 | January 31, 2016 | 20% over the limit |
| pH | 2 | 22 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 20 | 0 | ||
| Chlorine, total residual | 0 | 12 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 4 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 26, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| August 18, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| September 28, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| July 6, 2017 | 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.
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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 MO0091529 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.