Passage Data · Check a report · Use it from your AI
Industrial Organic Chemicals, Ashton, Iowa. NPDES permit IA0078051, in force until Dec 31, 2026. Last 12 months: over a limit 7 times (last August 2026), 6 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 002 | Chlorine, total residual, daily maximum | .02 | ≤ .019 mg/L | 5% |
| October 2025 | 002 | Zinc, total [as Zn], daily maximum | .11 | ≤ .1 mg/L | 10% |
| December 2025 | 003 | Iron, total [as Fe], 30-day average | .82199 | ≤ .54 lb/d | 52% |
| December 2025 | 003 | Iron, total [as Fe], daily maximum | .82199 | ≤ .54 lb/d | 52% |
| February 2026 | 003 | Flow, in conduit or thru treatment plant, daily maximum | .08315 | ≤ .0225 MGD | 270% |
| July 2026 | 003 | Flow, in conduit or thru treatment plant, daily maximum | 14966.85 | ≤ .0225 MGD | — |
| August 2026 | 003 | Flow, in conduit or thru treatment plant, daily maximum | 29193.4 | ≤ .0225 MGD | — |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ .1 mg/L | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 003 |
| Iron, total [as Fe] | 30-day average | ≤ 1.01 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 1.01 mg/L | all year | 003 |
| Iron, total [as Fe] | 30-day average | ≤ .54 lb/d | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ .54 lb/d | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .0225 MGD | all year | 003 |
Cited limits by parameter: Iowa's rules and the federal ones.
Same industry: the 57 Chemicals and Allied Products permits in Iowa.
· 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/IA0078051 · MCP: https://passage-data.com/mcp