Clean Water Act discharge permit · NPDES MO0090948
PEMBROKE HEIGHTS WWTP, House Springs, MO: NPDES MO0090948 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
PEMBROKE HEIGHTS WWTP, held by Malapert, LLC, holds NPDES permit MO0090948, which discharges to Bear Cr.. EPA’s file records it issued February 21, 2018 and expiring December 31, 2022. 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 | PEMBROKE HEIGHTS WWTP |
|---|---|
| Permittee as filed | Malapert, LLC |
| NPDES ID | MO0090948 |
| 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 | February 21, 2018 |
| Expiration date | December 31, 2022 |
| Address | House Springs, MO 63051 |
| Receiving water | Bear Cr. |
| Subwatershed | Heads Creek (HUC 071401040406) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 8With 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] | 4 | 37 | 7 | September 30, 2018 | 706% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 35 | 5 | September 30, 2018 | 160% over the limit |
| Chlorine, total residual | 2 | 33 | 3 | December 31, 2016 | 5,147% over the limit |
| Solids, total suspended | 2 | 31 | 1 | June 30, 2010 | 13% over the limit |
| Oxygen, dissolved [DO] | 2 | 30 | 0 | ||
| pH | 2 | 30 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 30 | 0 | ||
| E. coli | 2 | 30 | 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
- 14Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 20, 2026 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 20, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 7, 2026 | Reporting Violations - Failure to Submit DMRs | ST6 |
| February 4, 2026 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 31, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 20, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 6, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| April 4, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| October 17, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 30, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| May 3, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| May 3, 2018 | Effluent Violations - Numeric effluent violation | ST6 |
| January 26, 2018 | Effluent Violations - Numeric effluent violation | ST6 |
| July 6, 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.
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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 MO0090948 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.