Clean Water Act discharge permit · NPDES MOG640231
ATCHISON CO WWC WTP, Rock Port, MO: NPDES MOG640231 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ATCHISON CO WWC WTP, held by Atchison Co Wholesale Water Commission, holds NPDES permit MOG640231, which discharges to Tributary To Tr. To O. Ch. Nishnabotna R.. EPA’s file records it issued February 1, 2026 and expiring February 24, 2029. 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 | ATCHISON CO WWC WTP |
|---|---|
| Permittee as filed | Atchison Co Wholesale Water Commission |
| NPDES ID | MOG640231 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 1, 2026 |
| Expiration date | February 24, 2029 |
| Address | Rock Port, MO 64482 |
| Receiving water | Tributary to Tr. to O. Ch. Nishnabotna R. |
| Subwatershed | Nishnabotna Lake (HUC 102400050302) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 0Under a numeric limit
- 22With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Solids, settleable | 0 | 22 | 0 | ||
| Chlorine, total residual | 0 | 22 | 0 | ||
| pH | 0 | 20 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 16 | 0 | ||
| Phosphorus, total [as P] | 0 | 12 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 8 | 0 | ||
| Sodium, total [as Na] | 0 | 8 | 0 | ||
| Chloride [as Cl] | 0 | 8 | 0 | ||
| Arsenic, total [as As] | 0 | 8 | 0 | ||
| Cadmium, total [as Cd] | 0 | 8 | 0 | ||
| Chromium, total [as Cr] | 0 | 8 | 0 | ||
| Copper, total [as Cu] | 0 | 8 | 0 | ||
| Molybdenum, total [as Mo] | 0 | 8 | 0 | ||
| Nickel, total [as Ni] | 0 | 8 | 0 | ||
| Zinc, total [as Zn] | 0 | 8 | 0 | ||
| Aluminum, total [as Al] | 0 | 8 | 0 | ||
| Selenium, total [as Se] | 0 | 8 | 0 | ||
| Mercury, total [as Hg] | 0 | 8 | 0 | ||
| Total production - mass | 0 | 6 | 0 | ||
| Lead, total [as Pb] | 0 | 6 | 0 | ||
| Report due [yrmoda] | 0 | 3 | 0 | ||
| Lead, total recoverable | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG640231.
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 |
|---|---|---|
| June 12, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| July 12, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 26, 2021 | 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 MOG640231 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.