Passage Data · Check a report · Use it from your AI
Heavy Construction, Burlington, Iowa. NPDES permit IA0075035 expired Dec 31, 2021; its limits still apply. Last 12 months: no values over a limit, 98 required values missing, 4 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | 30-day average | ≤ 50 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year |
| Oil & Grease | 30-day average | ≤ 10 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 147.3 mg/L | Nov |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 147 mg/L | Jun |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 178.3 mg/L | Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 298.1 mg/L | Feb |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 135.3 mg/L | Aug |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 179 mg/L | Sep |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 148.7 mg/L | Apr |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 252.4 mg/L | Jan |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 211.3 mg/L | Mar |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 161.7 mg/L | Jul |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 148 mg/L | May |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 177.9 mg/L | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 147.3 mg/L | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 147 mg/L | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 178.3 mg/L | Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 298.1 mg/L | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 135.3 mg/L | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 179 mg/L | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 148.7 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 252.4 mg/L | Jan |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 211.3 mg/L | Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 161.7 mg/L | Jul |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 148 mg/L | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 177.9 mg/L | Oct |
| Carbon, tot organic [TOC] | 30-day average | ≤ 50 mg/L | all year |
| Carbon, tot organic [TOC] | daily maximum | ≤ 100 mg/L | all year |
| Chloride [as Cl] | 30-day average | ≤ 5475 mg/L | all year |
| Chloride [as Cl] | daily maximum | ≤ 5475 mg/L | all year |
| Iron, total [as Fe] | 30-day average | ≤ 9.146 mg/L | all year |
| Iron, total [as Fe] | daily maximum | ≤ 9.146 mg/L | all year |
Cited limits by parameter: Iowa's rules and the federal ones.
Same industry: the 3 Heavy Construction 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/IA0075035 · MCP: https://passage-data.com/mcp