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Heavy Construction, Huxford, Alabama. NPDES permit AL0062855, in force until Aug 31, 2028. Last 12 months: no values over a limit, 1 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | report only (SU) | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Total phenols | daily maximum | report only (ug/L) | all year | 002 |
| Pentachlorophenol | daily maximum | report only (ug/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year | 02A |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 8 mg/L | all year | 02A |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 16 mg/L | all year | 02A |
| pH | daily minimum | ≥ 6 SU | all year | 02A |
| pH | daily maximum | ≤ 8.5 SU | all year | 02A |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 02A |
| Oil & Grease | monthly average | ≤ 2.48 lb/d | all year | 02A |
| Oil & Grease | daily maximum | ≤ 4.95 lb/d | all year | 02A |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | all year | 02A |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | all year | 02A |
| Arsenic, total recoverable | monthly average | ≤ 5.7 ug/L | all year | 02A |
| Arsenic, total recoverable | daily maximum | ≤ 11.4 ug/L | all year | 02A |
| Copper, total recoverable | monthly average | ≤ 12 ug/L | all year | 02A |
| Copper, total recoverable | daily maximum | ≤ 18 ug/L | all year | 02A |
| Total phenols | monthly average | ≤ .13 lb/d | all year | 02A |
| Total phenols | daily maximum | ≤ .46 lb/d | all year | 02A |
| Purgeable aromatics Method 602 | monthly average | report only (ug/L) | all year | 02A |
| Purgeable aromatics Method 602 | daily maximum | report only (ug/L) | all year | 02A |
| Pentachlorophenol | daily maximum | report only (ug/L) | all year | 02A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 02A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 02A |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 02A |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 02A |
| Chemical Oxygen Demand [COD] | monthly average | ≤ 113 lb/d | all year | 02A |
| Chemical Oxygen Demand [COD] | daily maximum | ≤ 226 lb/d | all year | 02A |
Cited limits by parameter: Alabama's rules and the federal ones.
Same industry: the 3 Heavy Construction permits in Alabama.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AL0062855 · MCP: https://passage-data.com/mcp