Clean Water Act discharge permit · NPDES AR0050491
OAK HILL UTILITY OPERATING COMPANY, LLC-NORTH HILLS SUBDIVISION, Conway, AR: NPDES AR0050491 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
OAK HILL UTILITY OPERATING COMPANY, LLC-NORTH HILLS SUBDIVISION, held by Oak Hill Utility Operating Company, LLC-North Hills Subdivision, holds NPDES permit AR0050491, which discharges to E Fork Cadron Cr,Cadron Cr,Arkansas R. EPA’s file records it issued July 20, 2017 and expiring July 31, 2022. 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 | OAK HILL UTILITY OPERATING COMPANY, LLC-NORTH HILLS SUBDIVISION |
|---|---|
| Permittee as filed | Oak Hill Utility Operating Company, LLC-North Hills Subdivision |
| NPDES ID | AR0050491 |
| 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 | July 20, 2017 |
| Expiration date | July 31, 2022 |
| Address | Conway, AR 72032 |
| Receiving water | E FORK CADRON CR,CADRON CR,ARKANSAS R |
| Receiving water impaired | 303(D) Listed |
| NAICS | 237210 – Land Subdivision |
| SIC | 6552 – Subdividers And Developers |
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
- 12Pollutants on file
- 9Under a numeric limit
- 12With 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] | 28 | 411 | 343 | June 30, 2026 | 1,844% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 377 | 277 | June 30, 2026 | 6,597% over the limit |
| Coliform, fecal general | 8 | 162 | 128 | June 30, 2026 | 99,999% over the limit |
| Solids, total suspended | 8 | 149 | 81 | February 28, 2026 | 519% over the limit |
| Oxygen, dissolved [DO] | 4 | 49 | 29 | June 30, 2026 | 60% over the limit |
| pH | 4 | 36 | 1 | January 31, 2022 | |
| Phosphorus, total [as P] | 8 | 36 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 34 | 0 | ||
| Chlorine, total residual | 2 | 12 | 0 | ||
| Flow rate | 0 | 12 | 0 | ||
| Overflows | 0 | 6 | 0 | ||
| Overflow volume [SS0 volume, CSO volume] | 0 | 6 | 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 AR0050491.
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 AR0050491 there.
Nearby on the register
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- Discharge permits in Arkansas
- Every permit record in Arkansas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.