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Electric Services, Elwood, Illinois. NPDES permit IL0080134, in force until Dec 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly maximum | report only (deg F) | all year |
| pH | monthly minimum | ≥ 6.5 SU | all year |
| pH | monthly maximum | ≤ 9 SU | all year |
| Solids, total suspended | 30-day average | ≤ 15 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year |
| Oil & Grease | 30-day average | ≤ 15 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Phosphate, total [as PO4] | daily maximum | ≤ 3.33 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | Jan, Jul |
| Boron, total [as B] | daily maximum | report only (mg/L) | Jan, Jul |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | Jan, Jul |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | Jan, Jul |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | Jan, Jul |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | Jan, Jul |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | Jan, Jul |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | Jan, Jul |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | Jan, Jul |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | Jan, Jul |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | Jan, Jul |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | Jan, Jul |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Nitrogen, ammonia total [as N], daily maximum | 5.6 mg/L (Jan, Feb, Nov, Dec) | new | 11.9 mg/L (4 values) | 2.12× |
| Nitrogen, ammonia total [as N], daily maximum | 8.1 mg/L (Mar, Apr, May, Sep, Oct) | new | 7.93 mg/L (5 values) | 0.979× |
| Nitrogen, ammonia total [as N], daily maximum | 11.1 mg/L (Jun–Aug) | new | 5.14 mg/L (3 values) | 0.463× |
| Nitrogen, ammonia total [as N], monthly average | 1.6 mg/L (Mar, Apr, May, Sep, Oct) | new | — | — |
| Nitrogen, ammonia total [as N], monthly average | 1.5 mg/L (Jun–Aug) | new | — | — |
| Nitrogen, ammonia total [as N], monthly average | 3.5 mg/L (Jan, Feb, Nov, Dec) | new | — | — |
| Nitrogen, ammonia total [as N], weekly average | 4 mg/L (Mar, Apr, May, Sep, Oct) | new | — | — |
| Nitrogen, ammonia total [as N], weekly average | 3.8 mg/L (Jun–Aug) | new | — | — |
Cited limits by parameter: Illinois's rules and the federal ones.
Same industry: the 45 Electric Services permits in Illinois.
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Your permit document is the final word. As JSON: /api/v1/permits/IL0080134 · MCP: https://passage-data.com/mcp