Clean Water Act discharge permit · NPDES OH0036692
OAKHURST KNOLLS WWTP, Grove City, OH: NPDES OH0036692 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 23Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
OAKHURST KNOLLS WWTP, held by Franklin Co Dept of Sanitary Engineering, holds NPDES permit OH0036692, which discharges to Hellbranch Run. EPA’s file records it issued June 28, 2012 and expiring July 31, 2017. 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 | OAKHURST KNOLLS WWTP |
|---|---|
| Permittee as filed | Franklin Co Dept of Sanitary Engineering |
| NPDES ID | OH0036692 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 28, 2012 |
| Expiration date | July 31, 2017 |
| Address | Grove City, OH 43123 |
| Receiving water | Hellbranch Run |
| Subwatershed | Hellbranch Run (HUC 050600012201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 24Pollutants on file
- 23Under a numeric limit
- 16With a violation of any kind
- 7With 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, total suspended | 10 | 44 | 14 | March 31, 2019 | 503% over the limit |
| Phosphorus, total [as P] | 4 | 15 | 5 | January 31, 2019 | 57% over the limit |
| E. coli, MTEC-MF | 8 | 16 | 4 | July 31, 2017 | 485% over the limit |
| pH | 8 | 17 | 3 | September 30, 2015 | |
| BOD, carbonaceous [5 day, 20 C] | 10 | 32 | 2 | April 30, 2015 | 34% over the limit |
| Copper, total recoverable | 6 | 1 | 1 | December 31, 2016 | 14% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 1 | 1 | October 31, 2007 | 120% over the limit |
| Nitrogen, ammonia total [as N] | 18 | 28 | 0 | ||
| Temperature, water deg. centigrade | 8 | 14 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 12 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 10 | 0 | ||
| Overflows | 2 | 10 | 0 | ||
| Oxygen, dissolved [DO] | 4 | 7 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 2 | 0 | ||
| Oil and grease, hexane extr method | 2 | 1 | 0 | ||
| Nickel, total recoverable | 4 | 0 | 0 | ||
| Zinc, total recoverable | 4 | 0 | 0 | ||
| Cadmium, total recoverable | 4 | 0 | 0 | ||
| Lead, total recoverable | 4 | 0 | 0 | ||
| Chromium, total recoverable | 4 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 4 | 0 | 0 | ||
| Mercury, total low level | 4 | 0 | 0 | ||
| Sludge waste from secondary clarifiers | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES OH0036692.
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 OH0036692 there.
Nearby on the register
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- Every permit record in Ohio, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.