Clean Water Act discharge permit · NPDES KY0094765
MASON/CORINTH ELEMENTARY SCHOOL, Williamstown, KY: NPDES KY0094765 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
MASON/CORINTH ELEMENTARY SCHOOL, held by Mason/Corinth Elementary School, holds NPDES permit KY0094765, which discharges to Clarks Crk. EPA’s file records it issued April 17, 2018 and expiring May 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MASON/CORINTH ELEMENTARY SCHOOL |
|---|---|
| Permittee as filed | Mason/Corinth Elementary School |
| NPDES ID | KY0094765 |
| 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 | April 17, 2018 |
| Expiration date | May 31, 2023 |
| Address | Williamstown, KY 41097 |
| Receiving water | CLARKS CRK |
| Subwatershed | Clarks Creek (HUC 051002051308) |
| NAICS | 611110 – Elementary and Secondary Schools |
| SIC | 8211 – Elementary And Secondary Schools |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 8Pollutants on file
- 8Under 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] | 4 | 60 | 32 | December 31, 2023 | 1,725% over the limit |
| Solids, total suspended | 2 | 31 | 11 | March 31, 2022 | 187% over the limit |
| E. coli | 2 | 18 | 10 | December 31, 2022 | 1,428% over the limit |
| Chlorine, total residual | 2 | 38 | 6 | March 31, 2024 | 6,809% over the limit |
| Oxygen, dissolved [DO] | 1 | 9 | 5 | June 30, 2024 | 81% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 2 | 23 | 3 | March 31, 2022 | 40% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 9 | 0 | ||
| pH | 2 | 8 | 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 |
|---|---|---|
| December 10, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| February 19, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| February 19, 2020 | Management Practice Violations - Improper Operation and Maintenance | 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
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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 KY0094765 there.
Nearby on the register
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- Every permit record in Kentucky, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.