NPDES permit AR0000591 · Major NON-POTW · administratively continued, expires 2023-12-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2023-12-31 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: Oil & Grease (12), Nitrogen, ammonia total [as N] (3), Solids, total suspended (1).
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 | Oxygen, dissolved [DO] | INST MIN | >= 4 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Oxygen, dissolved [DO] | INST MIN | >= 3.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Oxygen demand, chem. [high level] [COD] | MO AVG | report only | all year |
| 001 | Oxygen demand, chem. [high level] [COD] | DAILY MX | report only | all year |
| 001 | Oxygen demand, chem. [high level] [COD] | MO AVG | <= 925.41 lb/d | all year |
| 001 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 1784.11 lb/d | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 112.2 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 175.14 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 | <= 42.03 lb/d | all year |
| 001 | Oil & Grease | DAILY MX | <= 79.94 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4.2 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 22.5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 9.4 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 37.15 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 8.34 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 55.73 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 18.66 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Sulfide, total [as S] | MO AVG | report only | all year |
| 001 | Sulfide, total [as S] | DAILY MX | report only | all year |
| 001 | Sulfide, total [as S] | MO AVG | <= .71 lb/d | all year |
| 001 | Sulfide, total [as S] | DAILY MX | <= 1.57 lb/d | all year |
| 001 | Chromium, total [as Cr] | MO AVG | report only | all year |
| 001 | Chromium, total [as Cr] | DAILY MX | report only | all year |
| 001 | Chromium, total [as Cr] | MO AVG | <= .7123 lb/d | all year |
| 001 | Chromium, total [as Cr] | DAILY MX | <= 20.393 lb/d | all year |
| 001 | Lead, total recoverable | MO AVG | report only | all year |
| 001 | Lead, total recoverable | DAILY MX | report only | all year |
| 001 | Lead, total recoverable | MO AVG | report only | all year |
| 001 | Lead, total recoverable | DAILY MX | report only | all year |
| 001 | Chromium, hexavalent dissolved [as Cr] | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chromium, hexavalent dissolved [as Cr] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Chromium, hexavalent dissolved [as Cr] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chromium, hexavalent dissolved [as Cr] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Chromium, hexavalent dissolved [as Cr] | MO AVG | <= .0381 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chromium, hexavalent dissolved [as Cr] | MO AVG | <= .0618 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Chromium, hexavalent dissolved [as Cr] | DAILY MX | <= .077 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Chromium, hexavalent dissolved [as Cr] | DAILY MX | <= .1369 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phenolics, total recoverable | MO AVG | report only | all year |
| 001 | Phenolics, total recoverable | DAILY MX | report only | all year |
| 001 | Phenolics, total recoverable | MO AVG | <= .608 lb/d | all year |
| 001 | Phenolics, total recoverable | DAILY MX | <= 2.4142 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 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 12 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 18 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 23.82 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 74.31 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 35.73 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 111.46 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | DAILY MX | report only | all year |
| 002 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 002 | Carbon, tot organic [TOC] | DAILY MX | <= 110 mg/L | all year |
| 002 | Lead, total recoverable | DAILY MX | report only | 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 |
| 003 | pH | MINIMUM | >= 6 SU | all year |
| 003 | pH | MAXIMUM | <= 9 SU | all year |
| 003 | Solids, total suspended | DAILY MX | report only | all year |
| 003 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 003 | Carbon, tot organic [TOC] | DAILY MX | <= 110 mg/L | all year |
| 003 | Lead, total recoverable | DAILY MX | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | 7 DA AVG | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 7 DA AVG | report only | all year |
| TX1 | WET, sublethal retest #1 | 7 DA AVG | report only | all year |
| TX1 | WET, sublethal retest #2 | 7 DA AVG | report only | all year |
| TX1 | Whole Effluent Toxicity - Retest #3 | 7 DA AVG | report only | all year |
| TX1 | Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7 DA AVG | report only | all year |
| TX1 | Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA AVG | report only | all year |
| TX1 | Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7 DA AVG | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA AVG | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7 DA AVG | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA AVG | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7 DA AVG | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA AVG | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7 DA AVG | report only | all year |
| TX1 | Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7 DA AVG | report only | all year |
| TX1 | Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7 DA AVG | 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