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Industrial or other facility, Monroe, Connecticut. NPDES permit CT0030821, in force until Apr 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 001 |
| pH | instantaneous minimum | ≥ 6.8 SU | Mar, Sep | 001 |
| pH | instantaneous maximum | ≤ 8.5 SU | Mar, Sep | 001 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | Mar, Sep | 001 |
| Flow | daily maximum | ≤ 18920 gal/d | Mar, Sep | 001 |
| pH | instantaneous minimum | ≥ 6.8 SU | Mar, Sep | 002 |
| pH | instantaneous maximum | ≤ 8.5 SU | Mar, Sep | 002 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | Mar, Sep | 002 |
| Flow | daily maximum | ≤ 417600 gal/d | Mar, Sep | 002 |
| pH | instantaneous minimum | ≥ 6.8 SU | Mar, Sep | 003 |
| pH | instantaneous maximum | ≤ 8.5 SU | Mar, Sep | 003 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | Mar, Sep | 003 |
| Flow | daily maximum | ≤ 417600 gal/d | Mar, Sep | 003 |
| pH | instantaneous minimum | ≥ 6.8 SU | Mar, Sep | 004 |
| pH | instantaneous maximum | ≤ 8.5 SU | Mar, Sep | 004 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | Mar, Sep | 004 |
| Flow | daily maximum | ≤ 12 gal/d | Mar, Sep | 004 |
| Flow | daily maximum | ≤ 36 gal/d | Mar, Sep | 005 |
Cited limits by parameter: Connecticut's rules and the federal ones.
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