Clean Water Act discharge permit · NPDES ARG550642
MATLOCK RESIDENCE, Little Rock, AR: NPDES ARG550642 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MATLOCK RESIDENCE, held by Zack and Kourtney Matlock, holds NPDES permit ARG550642, which discharges to Trib,Mchenry Cr,Fourche Cr,Arkansas R. EPA’s file records it issued October 3, 2018 and expiring June 30, 2024. 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 | MATLOCK RESIDENCE |
|---|---|
| Permittee as filed | Zack and Kourtney Matlock |
| NPDES ID | ARG550642 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 3, 2018 |
| Expiration date | June 30, 2024 |
| Address | Little Rock, AR 72210 |
| Receiving water | Trib,McHenry Cr,Fourche Cr,Arkansas R |
| Subwatershed | McHenry Creek-Fourche Creek (HUC 111102070202) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
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
- 6Pollutants on file
- 6Under a numeric limit
- 6With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 4 | 2 | June 30, 2022 | 93% over the limit |
| Solids, total suspended | 2 | 4 | 2 | December 31, 2023 | 200% over the limit |
| Coliform, fecal general | 2 | 4 | 2 | June 30, 2022 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 1 | 2 | 1 | June 30, 2021 | 23% over the limit |
| pH | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 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 ARG550642.
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 ARG550642 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.