Passage Data · Check a report · Use it from your AI
Industrial Organic Chemicals, major discharger, Laddonia, Missouri. NPDES permit MO0132489, in force until Aug 31, 2030. Last 12 months: over a limit 2 times (last February 2026), 6 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | Boron, total recoverable, monthly average | 1670 | ≤ 1638 ug/L | 2% |
| February 2026 | Boron, total recoverable, monthly average | 1740 | ≤ 1638 ug/L | 6% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 004 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 004 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 004 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 36 mg/L | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 90 mg/L | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 004 |
| pH | minimum | ≥ 6.5 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 004 |
| Solids, total suspended | monthly average | ≤ 50 mg/L | all year | 004 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 15 mg/L | all year | 004 |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 10 mg/L | all year | 004 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 004 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year | 004 |
| Phosphorus, total [as P] | monthly average | report only (lb/mo) | all year | 004 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Chloride | daily maximum | report only (mg/L) | all year | 004 |
| Chloride | monthly average | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Chlorine, total residual | daily maximum | report only (ug/L) | all year | 004 |
| Chlorine, total residual | monthly average | report only (ug/L) | all year | 004 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (toxic) | all year | 004 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (toxic) | all year | 004 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 004 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 004 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 006 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 006 |
| pH | minimum | ≥ 6.5 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year | 006 |
| Solids, settleable | monthly average | ≤ 1 mL/L | all year | 006 |
| Iron, total recoverable | daily maximum | ≤ 1831 ug/L | all year | 006 |
| Iron, total recoverable | monthly average | ≤ 661 ug/L | all year | 006 |
| Boron, total recoverable | daily maximum | ≤ 3285 ug/L | all year | 006 |
| Boron, total recoverable | monthly average | ≤ 1638 ug/L | all year | 006 |
| Aluminum, total recoverable | daily maximum | ≤ 750 ug/L | all year | 006 |
| Aluminum, total recoverable | monthly average | ≤ 374 ug/L | all year | 006 |
| Manganese, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Manganese, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Chloride | daily maximum | report only (mg/L) | all year | 006 |
| Chloride | monthly average | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Chlorine, total residual | daily maximum | ≤ 17 ug/L | all year | 006 |
| Chlorine, total residual | monthly average | ≤ 8 ug/L | all year | 006 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | report only (toxic) | all year | 006 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | report only (toxic) | all year | 006 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 006 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 006 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chlorine, total residual, daily maximum | 18.1 ug/L | new | — | — |
| Chlorine, total residual, monthly average | 9 ug/L | new | — | — |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 22 Chemicals and Allied Products permits in Missouri.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MO0132489 · MCP: https://passage-data.com/mcp