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Ready-Mixed Concrete, Madison, Alabama. NPDES permit AL0083259, in force until Jul 31, 2031. Last 12 months: over a limit 5 times (last May 2026), 2 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Chlorine, total residual, daily maximum | 2.03 | ≤ .019 mg/L | 10584% |
| May 2026 | Chlorine, total residual, monthly average | 2.03 | ≤ .011 mg/L | 18355% |
| May 2026 | Selenium, total [as Se], daily maximum | .01 | ≤ .0075 mg/L | 33% |
| May 2026 | Selenium, total [as Se], monthly average | .01 | ≤ .005 mg/L | 100% |
| May 2026 | pH, daily maximum | 9.8 | ≤ 8.5 SU | — |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | report only (SU) | all year | 001 |
| pH | daily maximum | report only (SU) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 001 |
| Methyl tert-butyl ether [MTBE] | daily maximum | report only (mg/L) | all year | 001 |
| Toluene | daily maximum | report only (mg/L) | all year | 001 |
| Benzene | daily maximum | report only (mg/L) | all year | 001 |
| Ethylbenzene | daily maximum | report only (mg/L) | all year | 001 |
| Naphthalene | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Xylene [mix of m+o+p] | daily maximum | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 002 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.4 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.6 mg/L | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Sep | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Sep | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 002 |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year | 002 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 002 |
| Thallium, total [as Tl] | monthly average | ≤ .274 ug/L | all year | 002 |
| Thallium, total [as Tl] | daily maximum | ≤ .411 ug/L | all year | 002 |
| Selenium, total [as Se] | monthly average | ≤ .005 mg/L | all year | 002 |
| Selenium, total [as Se] | daily maximum | ≤ .02 mg/L | all year | 002 |
| Methyl tert-butyl ether [MTBE] | monthly average | report only (mg/L) | all year | 002 |
| Methyl tert-butyl ether [MTBE] | daily maximum | report only (mg/L) | all year | 002 |
| Toluene | monthly average | report only (ug/L) | all year | 002 |
| Toluene | daily maximum | ≤ 8732 ug/L | all year | 002 |
| Benzene | monthly average | report only (ug/L) | all year | 002 |
| Benzene | daily maximum | ≤ 15.5 ug/L | all year | 002 |
| Ethylbenzene | monthly average | report only (ug/L) | all year | 002 |
| Ethylbenzene | daily maximum | ≤ 1244 ug/L | all year | 002 |
| Naphthalene | monthly average | report only (ug/L) | all year | 002 |
| Naphthalene | daily maximum | ≤ 620 ug/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 002 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | ≤ 0 pass=0;fail=1 | all year | 002 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | ≤ 0 pass=0;fail=1 | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | all year | 002 |
| Xylene [mix of m+o+p] | monthly average | report only (mg/L) | all year | 002 |
| Xylene [mix of m+o+p] | daily maximum | report only (mg/L) | all year | 002 |
Cited limits by parameter: Alabama's rules and the federal ones.
Same industry: the 12 Stone, Clay, Glass and Concrete Products permits in Alabama.
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Your permit document is the final word. As JSON: /api/v1/permits/AL0083259 · MCP: https://passage-data.com/mcp