Clean Water Act discharge permit · NPDES MO0081981
NORTHWYE MHP WWTF, Rolla, MO: NPDES MO0081981 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
NORTHWYE MHP WWTF, held by James A. and Patricia Overby, holds NPDES permit MO0081981, which discharges to Burgher Br.. EPA’s file records it issued October 10, 2012 and expiring October 9, 2017. 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 | NORTHWYE MHP WWTF |
|---|---|
| Permittee as filed | James A. and Patricia Overby |
| NPDES ID | MO0081981 |
| 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 | October 10, 2012 |
| Expiration date | October 9, 2017 |
| Issuing agency | MODNR-Southeast Regional Office |
| Address | Rolla, MO 65401 |
| Receiving water | Burgher Br. |
| Subwatershed | Little Dry Fork-Dry Fork (HUC 071401020108) |
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
- 6With 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] | 0 | 65 | 15 | June 30, 2025 | 1,179% over the limit |
| E. coli | 0 | 39 | 9 | June 30, 2025 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 62 | 8 | September 30, 2018 | 63% over the limit |
| Solids, total suspended | 4 | 61 | 7 | September 30, 2023 | 383% over the limit |
| Ammonia [as N] + unionized ammonia | 6 | 8 | 6 | September 30, 2017 | 606% over the limit |
| pH | 2 | 58 | 1 | June 30, 2009 | |
| Flow, in conduit or thru treatment plant | 2 | 58 | 0 | ||
| Temperature, water deg. centigrade | 2 | 2 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 6, 2019 | Effluent Violations - Narrative Effluent Violation | ST6 |
| September 6, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 27, 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 MO0081981 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.