Clean Water Act discharge permit · NPDES MO0034088
LAKE WAUWANOKA SUBDIVISION WWTP, Hillsboro, MO: NPDES MO0034088 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
LAKE WAUWANOKA SUBDIVISION WWTP, held by Lake Wauwanoka Sewer Company, holds NPDES permit MO0034088, which discharges to Dry Creek. EPA’s file records it issued January 3, 2018 and expiring March 31, 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 | LAKE WAUWANOKA SUBDIVISION WWTP |
|---|---|
| Permittee as filed | Lake Wauwanoka Sewer Company |
| NPDES ID | MO0034088 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 3, 2018 |
| Expiration date | March 31, 2022 |
| Address | Hillsboro, MO 63050 |
| Receiving water | Dry Creek |
| Subwatershed | Lower Joachim Creek (HUC 071401010804) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 4With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 11 | 5 | December 31, 2024 | 5,662% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 5 | 5 | June 30, 2024 | 679% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 1 | 1 | March 31, 2021 | 10% over the limit |
| pH | 2 | 1 | 1 | September 30, 2023 | |
| Solids, total suspended | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 4, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| December 20, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 20, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| October 1, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| December 29, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| December 31, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| June 5, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
| June 5, 2017 | Reporting Violations - Improper/ Incorrect Reporting | 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, MO0034088.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MO0034088 there.
Nearby on the register
- Discharge permits in Hillsboro
- Every permit record in Hillsboro, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.