Clean Water Act discharge permit · NPDES OH0076490
CHILLICOTHE CORRECTIONAL INSTITUTE WASTEWATER PLNT, Chillicothe, OH: NPDES OH0076490 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 48Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
CHILLICOTHE CORRECTIONAL INSTITUTE WASTEWATER PLNT, held by Chillicothe Correctional Institution, holds NPDES permit OH0076490, which discharges to Scioto River. EPA’s file records it issued August 22, 2018 and expiring September 30, 2023. 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 | CHILLICOTHE CORRECTIONAL INSTITUTE WASTEWATER PLNT |
|---|---|
| Permittee as filed | Chillicothe Correctional Institution |
| NPDES ID | OH0076490 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 22, 2018 |
| Expiration date | September 30, 2023 |
| Address | Chillicothe, OH 45601 |
| Receiving water | Scioto River |
| Subwatershed | Rush Run-Olentangy River (HUC 050600011102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 49Pollutants on file
- 48Under a numeric limit
- 29With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| pH | 6 | 53 | 37 | March 31, 2008 | |
| Solids, total suspended | 6 | 45 | 26 | February 28, 2026 | 442% over the limit |
| E. coli, MTEC-MF | 6 | 15 | 15 | August 31, 2025 | 8,421% over the limit |
| Oxygen, dissolved [DO] | 3 | 18 | 11 | August 31, 2025 | 92% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 29 | 9 | August 31, 2025 | 450% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 6 | 6 | May 31, 2014 | 99,999% over the limit |
| Oil and grease, hexane extr method | 1 | 9 | 5 | December 31, 2006 | 830% over the limit |
| Chlorine, total residual | 1 | 6 | 4 | June 30, 2005 | 68,321% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 19 | 1 | February 28, 2021 | 27% over the limit |
| pH, minimum | 1 | 4 | 1 | January 31, 2019 | |
| Fecal coliform | 1 | 1 | 1 | December 31, 2012 | 597% over the limit |
| Temperature, water deg. centigrade | 6 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 6 | 0 | ||
| Phosphorus, total [as P] | 2 | 6 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 2 | 6 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 6 | 0 | ||
| Chromium, total recoverable | 2 | 4 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 4 | 0 | ||
| Overflows | 2 | 4 | 0 | ||
| pH, maximum | 1 | 3 | 0 | ||
| Cyanide, free-water plus wastewaters | 2 | 2 | 0 | ||
| Nickel, total recoverable | 2 | 2 | 0 | ||
| Zinc, total recoverable | 2 | 2 | 0 | ||
| Cadmium, total recoverable | 2 | 2 | 0 | ||
| Lead, total recoverable | 2 | 2 | 0 | ||
| Copper, total recoverable | 2 | 2 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 2 | 0 | ||
| Nitrogen, ammonia in bottom deposits | 2 | 0 | 0 | ||
| Phosphorous, total, in bottom deposits | 2 | 0 | 0 | ||
| Potassium, in bottom deposits | 2 | 0 | 0 | ||
| Mercury, total low level | 2 | 0 | 0 | ||
| Biosolids weight indluding admixtures | 2 | 0 | 0 | ||
| Cyanide, free available | 2 | 0 | 0 | ||
| Sludge weight, dry | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 | ||
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | 2 | 0 | 0 | ||
| %Effect Static Renewal 96Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Arsenic, dry weight | 1 | 0 | 0 | ||
| Cadmium, in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Copper in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Lead, total dry weight [as Pb] | 1 | 0 | 0 | ||
| Nickel, tot in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Zinc in bottom deposits [dry wgt] | 1 | 0 | 0 | ||
| Selenium, dry weight | 1 | 0 | 0 | ||
| Mercury, tot in bot deposits [dry wgt] | 1 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 1 | 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 OH0076490.
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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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.