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Electric Services, major discharger, Bridgeport, Connecticut. NPDES permit CT0030180 expired Dec 29, 2010; its limits still apply. Last 12 months: no values over a limit, 1 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 106 deg F | all year | 100 |
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 106 deg F | all year | 100 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 100 |
| Temperature, water deg. fahrenheit | instantaneous maximum | report only (deg F) | all year | 100 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 100 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 100 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 100 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 100 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 100 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 100 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 100 |
| Copper, total [as Cu] | instantaneous maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 100 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 100 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 100 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 100 |
| Zinc, total [as Zn] | instantaneous maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 100 |
| Oxidants, total residual | instantaneous maximum | ≤ 200 ug/L | all year | 100 |
| Oxidants, total residual | instantaneous maximum | ≤ 200 ug/L | all year | 100 |
| Flow, maximum during 24 hr period | daily maximum | ≤ 168 MGD | all year | 100 |
| Flow, maximum during 24 hr period | daily maximum | ≤ 168 MGD | all year | 100 |
| Temp. diff. between intake and discharge | instantaneous maximum | ≤ 32 deg F | all year | 100 |
| Temp. diff. between intake and discharge | instantaneous maximum | ≤ 32 deg F | all year | 100 |
| Flow | daily maximum | ≤ 168 MGD | all year | 100 |
| Flow | daily maximum | ≤ 168 MGD | all year | 100 |
| Pass/Fail Static 4 Day Chronic Mysidopsis Bahia | average | report only (pass=0;fail=1) | Mar, Sep | 100 |
| Pass/Fail Static 4 Day Chronic Mysidopsis Bahia | average | report only (pass=0;fail=1) | Mar, Sep | 100 |
| Pass/Fail Static 4 Day Chronic Mysidopsis Bahia | average | report only (pass=0;fail=1) | Jan, Feb, Apr, May, Jun, Jul, Aug, Oct, Nov, Dec | 100 |
| Pass/Fail Static 4 Day Chronic Mysidopsis Bahia | average | report only (pass=0;fail=1) | Jan, Feb, Apr, May, Jun, Jul, Aug, Oct, Nov, Dec | 100 |
| Pass/Fail Static 4 Day Chronic Cyprinodon Variega | average | report only (pass=0;fail=1) | Mar, Sep | 100 |
| Pass/Fail Static 4 Day Chronic Cyprinodon Variega | average | report only (pass=0;fail=1) | Mar, Sep | 100 |
| Pass/Fail Static 4 Day Chronic Cyprinodon Variega | average | report only (pass=0;fail=1) | Jan, Feb, Apr, May, Jun, Jul, Aug, Oct, Nov, Dec | 100 |
| Pass/Fail Static 4 Day Chronic Cyprinodon Variega | average | report only (pass=0;fail=1) | Jan, Feb, Apr, May, Jun, Jul, Aug, Oct, Nov, Dec | 100 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 102 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 102 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 102 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 102 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Manganese, total [as Mn] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Manganese, total [as Mn] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Oxidants, total residual | instantaneous maximum | report only (mg/L) | all year | 102 |
| Oxidants, total residual | instantaneous maximum | report only (mg/L) | all year | 102 |
| Flow, maximum during 24 hr period | daily maximum | ≤ 75000 gal/d | all year | 102 |
| Flow, maximum during 24 hr period | daily maximum | ≤ 75000 gal/d | all year | 102 |
| Pass/Fail Static 4 Day Chronic Mysidopsis Bahia | average | report only (pass=0;fail=1) | all year | 102 |
| Pass/Fail Static 4 Day Chronic Mysidopsis Bahia | average | report only (pass=0;fail=1) | all year | 102 |
| Pass/Fail Static 4 Day Chronic Cyprinodon Variega | average | report only (pass=0;fail=1) | all year | 102 |
| Pass/Fail Static 4 Day Chronic Cyprinodon Variega | average | report only (pass=0;fail=1) | all year | 102 |
Cited limits by parameter: Connecticut's rules and the federal ones.
Same industry: the 12 Electric Services permits in Connecticut.
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On EPA ECHO: Facility report · DMR history
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