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Swift No 2 Hydro Electric Project

Electric Services, Cougar, Washington. NPDES permit WA0041131, in force until Mar 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 021 form MM monthly (6 values), outfall 022 form MM monthly (6 values), outfall DWS form MM monthly (7 values), outfall PHS form MM monthly (7 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 48 reports late

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C) (alert, not enforceable)all year021
Temperature, water deg. centigrademonthly averagereport only (deg C) (alert, not enforceable)all year021
pHdaily minimum≥ 6.5 SUall year021
pHdaily maximum≤ 8.5 SUall year021
Flowdaily maximumreport only (MGD) (alert, not enforceable)all year021
Flowmonthly averagereport only (MGD) (alert, not enforceable)all year021
Temperature, water deg. centigradedaily maximumreport only (deg C) (alert, not enforceable)all year022
Temperature, water deg. centigrademonthly averagereport only (deg C) (alert, not enforceable)all year022
pHdaily minimum≥ 6.5 SUall year022
pHdaily maximum≤ 8.5 SUall year022
Flowdaily maximumreport only (MGD) (alert, not enforceable)all year022
Flowmonthly averagereport only (MGD) (alert, not enforceable)all year022
Temperature, water deg. centigradedaily maximumreport only (deg C) (alert, not enforceable)all yearDWS
Temperature, water deg. centigrademonthly averagereport only (deg C) (alert, not enforceable)all yearDWS
pHdaily minimum≥ 6.5 SUall yearDWS
pHdaily maximum≤ 8.5 SUall yearDWS
Oil & grease, non-polar materialmonthly averagereport only (mg/L) (alert, not enforceable)all yearDWS
Flowdaily maximumreport only (MGD) (alert, not enforceable)all yearDWS
Flowmonthly averagereport only (MGD) (alert, not enforceable)all yearDWS
Temperature, water deg. centigradedaily maximumreport only (deg C) (alert, not enforceable)all yearPHS
Temperature, water deg. centigrademonthly averagereport only (deg C) (alert, not enforceable)all yearPHS
pHdaily minimum≥ 6.5 SUall yearPHS
pHdaily maximum≤ 8.5 SUall yearPHS
Oil & grease, non-polar materialmonthly averagereport only (mg/L) (alert, not enforceable)all yearPHS
Flowdaily maximumreport only (MGD) (alert, not enforceable)all yearPHS
Flowmonthly averagereport only (MGD) (alert, not enforceable)all yearPHS

How strict are these limits?

Cited limits by parameter: Washington's rules and the federal ones.

Same industry: the 21 Electric Services permits in Washington.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WA0041131 · MCP: https://passage-data.com/mcp