Clean Water Act discharge permit · NPDES OH0106348
RIVERBY ESTATES SEWAGE DISPOSAL SYSTEM INC, Delaware, OH: NPDES OH0106348 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
RIVERBY ESTATES SEWAGE DISPOSAL SYSTEM INC, held by Riverby Estates Sew Disposal Sys Inc, holds NPDES permit OH0106348, which discharges to Olentangy River. EPA’s file records it issued June 30, 2014 and expiring July 31, 2019. 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 | RIVERBY ESTATES SEWAGE DISPOSAL SYSTEM INC |
|---|---|
| Permittee as filed | Riverby Estates Sew Disposal Sys Inc |
| NPDES ID | OH0106348 |
| 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 | June 30, 2014 |
| Expiration date | July 31, 2019 |
| Address | Delaware, OH 43015 |
| Receiving water | Olentangy River |
| Subwatershed | Deep Run-Olentangy River (HUC 050600011101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 12Under a numeric limit
- 13With a violation of any kind
- 8With 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] | 8 | 213 | 189 | August 31, 2021 | 99,809% over the limit |
| Solids, total suspended | 4 | 102 | 78 | July 31, 2021 | 27,084% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 70 | 46 | April 30, 2021 | 33,806% over the limit |
| Chlorine, total residual | 1 | 33 | 29 | July 31, 2017 | 13,058% over the limit |
| E. coli, MTEC-MF | 2 | 21 | 19 | August 31, 2021 | 4,765% over the limit |
| Oxygen, dissolved [DO] | 1 | 21 | 15 | September 30, 2020 | 74% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 19 | 13 | August 31, 2013 | 1,500% over the limit |
| pH | 2 | 20 | 8 | April 30, 2020 | |
| Temperature, water deg. centigrade | 2 | 12 | 0 | ||
| Turbidity [severity] | 2 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 12 | 0 | ||
| Color, spectrophoto-metric filter | 0 | 8 | 0 | ||
| Odor, atmospheric [severity] | 0 | 8 | 0 | ||
| Sludge weight, dry | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 3, 2020 | WW SSO - Violation of milestone in an administrative order | ST6 |
| July 1, 2020 | WW SSO - Violation of milestone in an administrative order | 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 OH0106348 there.
Nearby on the register
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- Every permit record in Delaware, A to Z
- Discharge permits in Ohio
- Every permit record in Ohio, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.