Clean Water Act discharge permit · NPDES AR0050792
OAK HILL UTILITY OPERATING COMPANY, LLC-OAK TREE SUBDIVISION WWTP, Vilonia, AR: NPDES AR0050792 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
OAK HILL UTILITY OPERATING COMPANY, LLC-OAK TREE SUBDIVISION WWTP, held by Oak Hill Utility Operating Company, LLC-Oak Tree Subdivision WWTP, holds NPDES permit AR0050792, which discharges to Bentley Cr,Palarm Cr,Lake Conway,Palarm Cr, Ar R. EPA’s file records it issued June 14, 2018 and expiring June 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 | OAK HILL UTILITY OPERATING COMPANY, LLC-OAK TREE SUBDIVISION WWTP |
|---|---|
| Permittee as filed | Oak Hill Utility Operating Company, LLC-Oak Tree Subdivision WWTP |
| NPDES ID | AR0050792 |
| 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 14, 2018 |
| Expiration date | June 30, 2023 |
| Address | Vilonia, AR 72173 |
| Receiving water | BENTLEY CR,PALARM CR,LAKE CONWAY,PALARM CR, AR R |
| Subwatershed | Jim Creek-Palarm Creek (HUC 111102030402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 9Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 12 | 234 | 126 | April 30, 2026 | 838% over the limit |
| Solids, total suspended | 4 | 208 | 98 | June 30, 2026 | 1,538% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 192 | 82 | June 30, 2026 | 498% over the limit |
| Coliform, fecal general | 2 | 71 | 23 | June 30, 2026 | 99,999% over the limit |
| Chlorine, total residual | 2 | 10 | 5 | October 31, 2023 | 49,900% over the limit |
| pH | 2 | 51 | 3 | November 30, 2021 | |
| Oxygen, dissolved [DO] | 1 | 27 | 3 | June 30, 2022 | 60% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 61 | 0 | ||
| Flow rate | 2 | 10 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 4 | 0 | ||
| Phosphorus, total [as P] | 0 | 4 | 0 | ||
| Overflows | 0 | 3 | 0 | ||
| Overflow volume [SS0 volume, CSO volume] | 0 | 3 | 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 AR0050792.
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
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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 AR0050792 there.
Nearby on the register
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- Every permit record in Arkansas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.