NPDES permit AR0036552 · Minor NON-POTW · administratively continued, expires 2026-05-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2026-05-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2).
Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 416.5 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 972.5 lb/d | all year |
| 001 | Oil & Grease | MO AVG | <= 10 mg/L | all year |
| 001 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 001 | Oil & Grease | MO AVG | <= 121.3 lb/d | all year |
| 001 | Oil & Grease | DAILY MX | <= 362.2 lb/d | all year |
| 001 | Nickel, total recoverable | MO AVG | <= .354 mg/L | all year |
| 001 | Nickel, total recoverable | DAILY MX | <= .559 mg/L | all year |
| 001 | Nickel, total recoverable | MO AVG | <= .138 lb/d | all year |
| 001 | Nickel, total recoverable | DAILY MX | <= .218 lb/d | all year |
| 001 | Silver total recoverable | MO AVG | <= .031 mg/L | all year |
| 001 | Silver total recoverable | DAILY MX | <= .055 mg/L | all year |
| 001 | Silver total recoverable | MO AVG | <= .012 lb/d | all year |
| 001 | Silver total recoverable | DAILY MX | <= .022 lb/d | all year |
| 001 | Zinc, total recoverable | MO AVG | <= 5.71 mg/L | all year |
| 001 | Zinc, total recoverable | DAILY MX | <= 16.9 mg/L | all year |
| 001 | Zinc, total recoverable | MO AVG | <= 2.23 lb/d | all year |
| 001 | Zinc, total recoverable | DAILY MX | <= 6.61 lb/d | all year |
| 001 | Cadmium, total recoverable | MO AVG | <= .009 mg/L | all year |
| 001 | Cadmium, total recoverable | DAILY MX | <= .014 mg/L | all year |
| 001 | Cadmium, total recoverable | MO AVG | <= .004 lb/d | all year |
| 001 | Cadmium, total recoverable | DAILY MX | <= .0055 lb/d | all year |
| 001 | Lead, total recoverable | MO AVG | <= 4.2 mg/L | all year |
| 001 | Lead, total recoverable | DAILY MX | <= 12.5 mg/L | all year |
| 001 | Lead, total recoverable | MO AVG | <= 1.64 lb/d | all year |
| 001 | Lead, total recoverable | DAILY MX | <= 4.89 lb/d | all year |
| 001 | Chromium, total recoverable | MO AVG | <= .219 mg/L | all year |
| 001 | Chromium, total recoverable | DAILY MX | <= .355 mg/L | all year |
| 001 | Chromium, total recoverable | MO AVG | <= .0856 lb/d | all year |
| 001 | Chromium, total recoverable | DAILY MX | <= .139 lb/d | all year |
| 001 | Copper, total recoverable | MO AVG | <= .271 mg/L | all year |
| 001 | Copper, total recoverable | DAILY MX | <= .439 mg/L | all year |
| 001 | Copper, total recoverable | MO AVG | <= .106 lb/d | all year |
| 001 | Copper, total recoverable | DAILY MX | <= .171 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Cyanide, total recoverable | MO AVG | <= .083 mg/L | all year |
| 001 | Cyanide, total recoverable | DAILY MX | <= .154 mg/L | all year |
| 001 | Cyanide, total recoverable | MO AVG | <= .033 lb/d | all year |
| 001 | Cyanide, total recoverable | DAILY MX | <= .06 lb/d | all year |
| 002 | Oxygen demand, chem. [low level] [COD] | MO AVG | report only | all year |
| 002 | Oxygen demand, chem. [low level] [COD] | DAILY MX | <= 100 mg/L | all year |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Oil & Grease | MO AVG | <= 10 mg/L | all year |
| 002 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | 48HR MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 48HR MIN | report only | all year |
| TX1 | WET, sublethal retest #1 | 48HR MIN | report only | all year |
| TX1 | WET, sublethal retest #2 | 48HR MIN | report only | all year |
| TX1 | Whole Effluent Toxicity - Retest #3 | 48HR MIN | report only | all year |
| TX1 | Whole Effluent Toxicity, Sub-Lethal Retest #3 | 48HR MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48HR MIN | report only | all year |
| TX1 | LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48HR MIN | report only | all year |
| TX1 | NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48HR MIN | report only | all year |
| TX1 | NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48HR MIN | report only | all year |
| TX1 | Coef Of Var Static Renewal 48Hr Acute D. pulex | 48HR MIN | report only | all year |
| TX1 | Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 48HR MIN | report only | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states