Clean Water Act discharge permit · NPDES OH0143464
DEERFIELD SUBDIVISION WWTP, Rockford, OH: NPDES OH0143464 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
DEERFIELD SUBDIVISION WWTP, held by DFGC Black LLC, holds NPDES permit OH0143464, which discharges to St Marys River. EPA’s file records it issued May 6, 2021 and expiring May 31, 2026. 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 | DEERFIELD SUBDIVISION WWTP |
|---|---|
| Permittee as filed | DFGC Black LLC |
| NPDES ID | OH0143464 |
| 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 |
| Program | Combined sewer overflows |
| Issued | May 6, 2021 |
| Expiration date | May 31, 2026 |
| Address | Rockford, OH 45882 |
| Receiving water | St Marys River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Yankee Run-Saint Marys River (HUC 041000040303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 13Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| E. coli, MTEC-MF | 2 | 63 | 47 | October 31, 2020 | 3,630% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 60 | 44 | August 31, 2023 | 1,010% over the limit |
| Solids, total suspended | 4 | 36 | 20 | August 31, 2020 | 233% over the limit |
| Chlorine, total residual | 1 | 11 | 7 | September 30, 2020 | 426% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 19 | 3 | May 31, 2019 | 40% over the limit |
| pH | 2 | 11 | 1 | December 31, 2015 | |
| Oxygen, dissolved [DO] | 1 | 5 | 1 | September 30, 2014 | 2% over the limit |
| Temperature, water deg. centigrade | 2 | 8 | 0 | ||
| Flow rate | 0 | 8 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Turbidity [severity] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 11, 2020 | Reporting Violations - Failure to Notify | 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, OH0143464.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 OH0143464 there.
Nearby on the register
- Discharge permits in Rockford
- Every permit record in Rockford, A to Z
- Discharge permits in Ohio
- Every permit record in Ohio, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.