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U.S. Bureau of Reclamation - Coulee Dam

Federal facility (Electric Services), Grand Coulee, Washington. NPDES permit WA0026867, in force until Nov 30, 2028. Last 12 months: over a limit 2 times (last March 2026), 15 required values missing, 35 of 377 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (15 values), outfall 002 form A monthly (15 values), outfall 003A form A monthly (15 values), outfall 004A form A monthly (15 values), outfall 004B form A monthly (16 values), outfall 004C form A monthly (15 values), and 29 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 30 required values missing, 1 of 412 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
November 2025Oil & Grease, daily maximum5.2 mg/L≤ 5 mg/L4%
March 2026Oil & Grease, daily maximum12 mg/L≤ 5 mg/L140%

Limits in force (507)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year001
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year001
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year001
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year001
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous maximum≤ 8.5 SUall year001
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous maximum≤ 8.5 SUall year001
Oil & Greasedaily maximum≤ 5 mg/Lall year001
Oil & Greasedaily maximum≤ 5 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year002
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year002
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year002
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year002
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year002
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year002
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
pHinstantaneous minimum≥ 6.5 SUall year002
pHinstantaneous maximum≤ 8.5 SUall year002
pHinstantaneous minimum≥ 6.5 SUall year002
pHinstantaneous maximum≤ 8.5 SUall year002
Oil & Greasedaily maximum≤ 5 mg/Lall year002
Oil & Greasedaily maximum≤ 5 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year003A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year003A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year003A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year003A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year003A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year003A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year003A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year003A
pHinstantaneous minimum≥ 6.5 SUall year003A
pHinstantaneous maximum≤ 8.5 SUall year003A
pHinstantaneous minimum≥ 6.5 SUall year003A
pHinstantaneous maximum≤ 8.5 SUall year003A
Oil & Greasedaily maximum≤ 5 mg/Lall year003A
Oil & Greasedaily maximum≤ 5 mg/Lall year003A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004A
pHinstantaneous minimum≥ 6.5 SUall year004A
pHinstantaneous maximum≤ 8.5 SUall year004A
pHinstantaneous minimum≥ 6.5 SUall year004A
pHinstantaneous maximum≤ 8.5 SUall year004A
Oil & Greasedaily maximum≤ 5 mg/Lall year004A
Oil & Greasedaily maximum≤ 5 mg/Lall year004A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004B
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004B
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004B
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004B
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004B
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004B
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004B
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004B
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004B
pHinstantaneous minimum≥ 6.5 SUall year004B
pHinstantaneous maximum≤ 8.5 SUall year004B
pHinstantaneous minimum≥ 6.5 SUall year004B
pHinstantaneous maximum≤ 8.5 SUall year004B
Oil & Greasedaily maximum≤ 5 mg/Lall year004B
Oil & Greasedaily maximum≤ 5 mg/Lall year004B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004B
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004C
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004C
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004C
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004C
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004C
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004C
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004C
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004C
pHinstantaneous minimum≥ 6.5 SUall year004C
pHinstantaneous maximum≤ 8.5 SUall year004C
pHinstantaneous minimum≥ 6.5 SUall year004C
pHinstantaneous maximum≤ 8.5 SUall year004C
Oil & Greasedaily maximum≤ 5 mg/Lall year004C
Oil & Greasedaily maximum≤ 5 mL/Lall year004C
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004C
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004D
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004D
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004D
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004D
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004D
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004D
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004D
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004D
pHinstantaneous minimum≥ 6.5 SUall year004D
pHinstantaneous maximum≤ 8.5 SUall year004D
pHinstantaneous minimum≥ 6.5 SUall year004D
pHinstantaneous maximum≤ 8.5 SUall year004D
Oil & Greasedaily maximum≤ 5 mg/Lall year004D
Oil & Greasedaily maximum≤ 5 mg/Lall year004D
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004D
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004E
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004E
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004E
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004E
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004E
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004E
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004E
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004E
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004E
pHinstantaneous minimum≥ 6.5 SUall year004E
pHinstantaneous maximum≤ 8.5 SUall year004E
pHinstantaneous minimum≥ 6.5 SUall year004E
pHinstantaneous maximum≤ 8.5 SUall year004E
Oil & Greasedaily maximum≤ 5 mg/Lall year004E
Oil & Greasedaily maximum≤ 5 mg/Lall year004E
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004E
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004F
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004F
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004F
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004F
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004F
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004F
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004F
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004F
pHinstantaneous minimum≥ 6.5 SUall year004F
pHinstantaneous maximum≤ 8.5 SUall year004F
pHinstantaneous minimum≥ 6.5 SUall year004F
pHinstantaneous maximum≤ 8.5 SUall year004F
Oil & Greasedaily maximum≤ 5 mg/Lall year004F
Oil & Greasedaily maximum≤ 5 mg/Lall year004F
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004F
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004G
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004G
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004G
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004G
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004G
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004G
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004G
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004G
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004G
pHinstantaneous minimum≥ 6.5 SUall year004G
pHinstantaneous maximum≤ 8.5 SUall year004G
pHinstantaneous minimum≥ 6.5 SUall year004G
pHinstantaneous maximum≤ 8.5 SUall year004G
Oil & Greasedaily maximum≤ 5 mg/Lall year004G
Oil & Greasedaily maximum≤ 5 mg/Lall year004G
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004G
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004H
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004H
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004H
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004H
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004H
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004H
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004H
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004H
pHinstantaneous minimum≥ 6.5 SUall year004H
pHinstantaneous maximum≤ 8.5 SUall year004H
pHinstantaneous minimum≥ 6.5 SUall year004H
pHinstantaneous maximum≤ 8.5 SUall year004H
Oil & Greasedaily maximum≤ 5 mg/Lall year004H
Oil & Greasedaily maximum≤ 5 mg/Lall year004H
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004H
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004I
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004I
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004I
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004I
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year004I
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year004I
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year004I
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004I
pHinstantaneous minimum≥ 6.5 SUall year004I
pHinstantaneous maximum≤ 8.5 SUall year004I
pHinstantaneous minimum≥ 6.5 SUall year004I
pHinstantaneous maximum≤ 8.5 SUall year004I
Oil & Greasedaily maximum≤ 5 mg/Lall year004I
Oil & Greasedaily maximum≤ 5 mg/Lall year004I
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004I
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year005
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year005
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year005
Temperature, water deg. centigrademonthly averagereport only (deg C)all year005
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year005
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year005
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year005
Temperature, water deg. centigrademonthly averagereport only (deg C)all year005
pHinstantaneous minimum≥ 6.5 SUall year005
pHinstantaneous maximum≤ 8.5 SUall year005
pHinstantaneous minimum≥ 6.5 SUall year005
pHinstantaneous maximum≤ 8.5 SUall year005
Oil & Greasedaily maximum≤ 5 mg/Lall year005
Oil & Greasedaily maximum≤ 5 mg/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year006
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year006
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year006
Temperature, water deg. centigrademonthly averagereport only (deg C)all year006
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year006
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year006
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year006
Temperature, water deg. centigrademonthly averagereport only (deg C)all year006
pHinstantaneous minimum≥ 6.5 SUall year006
pHinstantaneous maximum≤ 8.5 SUall year006
pHinstantaneous minimum≥ 6.5 SUall year006
pHinstantaneous maximum≤ 8.5 SUall year006
Oil & Greasedaily maximum≤ 5 mg/Lall year006
Oil & Greasedaily maximum≤ 5 mg/Lall year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year007A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year007A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year007A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year007A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year007A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year007A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year007A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year007A
pHinstantaneous minimum≥ 6.5 SUall year007A
pHinstantaneous maximum≤ 8.5 SUall year007A
pHinstantaneous minimum≥ 6.5 SUall year007A
pHinstantaneous maximum≤ 8.5 SUall year007A
Oil & Greasedaily maximum≤ 5 mg/Lall year007A
Oil & Greasedaily maximum≤ 5 mg/Lall year007A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008A
pHinstantaneous minimum≥ 6.5 SUall year008A
pHinstantaneous maximum≤ 8.5 SUall year008A
pHinstantaneous minimum≥ 6.5 SUall year008A
pHinstantaneous maximum≤ 8.5 SUall year008A
Oil & Greasedaily maximum≤ 5 mg/Lall year008A
Oil & Greasedaily maximum≤ 5 mg/Lall year008A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008B
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008B
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008B
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008B
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008B
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008B
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008B
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008B
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008B
pHinstantaneous minimum≥ 6.5 SUall year008B
pHinstantaneous maximum≤ 8.5 SUall year008B
pHinstantaneous minimum≥ 6.5 SUall year008B
pHinstantaneous maximum≤ 8.5 SUall year008B
Oil & Greasedaily maximum≤ 5 mg/Lall year008B
Oil & Greasedaily maximum≤ 5 mg/Lall year008B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008B
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008C
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008C
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008C
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008C
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008C
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008C
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008C
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008C
pHinstantaneous minimum≥ 6.5 SUall year008C
pHinstantaneous maximum≤ 8.5 SUall year008C
pHinstantaneous minimum≥ 6.5 SUall year008C
pHinstantaneous maximum≤ 8.5 SUall year008C
Oil & Greasedaily maximum≤ 5 mg/Lall year008C
Oil & Greasedaily maximum≤ 5 mg/Lall year008C
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008C
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008D
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008D
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008D
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008D
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008D
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008D
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008D
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008D
pHinstantaneous minimum≥ 6.5 SUall year008D
pHinstantaneous maximum≤ 8.5 SUall year008D
pHinstantaneous minimum≥ 6.5 SUall year008D
pHinstantaneous maximum≤ 8.5 SUall year008D
Oil & Greasedaily maximum≤ 5 mg/Lall year008D
Oil & Greasedaily maximum≤ 5 mg/Lall year008D
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008D
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008E
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008E
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008E
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008E
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008E
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008E
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008E
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008E
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008E
pHinstantaneous minimum≥ 6.5 SUall year008E
pHinstantaneous maximum≤ 8.5 SUall year008E
pHinstantaneous minimum≥ 6.5 SUall year008E
pHinstantaneous maximum≤ 8.5 SUall year008E
Oil & Greasedaily maximum≤ 5 mg/Lall year008E
Oil & Greasedaily maximum≤ 5 mg/Lall year008E
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008E
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008F
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008F
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008F
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008F
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008F
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008F
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008F
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008F
pHinstantaneous minimum≥ 6.5 SUall year008F
pHinstantaneous maximum≤ 8.5 SUall year008F
pHinstantaneous minimum≥ 6.5 SUall year008F
pHinstantaneous maximum≤ 8.5 SUall year008F
Oil & Greasedaily maximum≤ 5 mg/Lall year008F
Oil & Greasedaily maximum≤ 5 mg/Lall year008F
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008F
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008G
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008G
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008G
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008G
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008G
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008G
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008G
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008G
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008G
pHinstantaneous minimum≥ 6.5 SUall year008G
pHinstantaneous maximum≤ 8.5 SUall year008G
pHinstantaneous minimum≥ 6.5 SUall year008G
pHinstantaneous maximum≤ 8.5 SUall year008G
Oil & Greasedaily maximum≤ 5 mg/Lall year008G
Oil & Greasedaily maximum≤ 5 mg/Lall year008G
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008G
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008H
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008H
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008H
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008H
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008H
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008H
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008H
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008H
pHinstantaneous minimum≥ 6.5 SUall year008H
pHinstantaneous maximum≤ 8.5 SUall year008H
pHinstantaneous minimum≥ 6.5 SUall year008H
pHinstantaneous maximum≤ 8.5 SUall year008H
Oil & Greasedaily maximum≤ 5 mg/Lall year008H
Oil & Greasedaily maximum≤ 5 mg/Lall year008H
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008H
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008I
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008I
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008I
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008I
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year008I
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year008I
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year008I
Temperature, water deg. centigrademonthly averagereport only (deg C)all year008I
pHinstantaneous minimum≥ 6.5 SUall year008I
pHinstantaneous maximum≤ 8.5 SUall year008I
pHinstantaneous minimum≥ 6.5 SUall year008I
pHinstantaneous maximum≤ 8.5 SUall year008I
Oil & Greasedaily maximum≤ 5 mg/Lall year008I
Oil & Greasedaily maximum≤ 5 mg/Lall year008I
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008I
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year009A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year009A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year009A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year009A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year009A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year009A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year009A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year009A
pHinstantaneous minimum≥ 6.5 SUall year009A
pHinstantaneous maximum≤ 8.5 SUall year009A
pHinstantaneous minimum≥ 6.5 SUall year009A
pHinstantaneous maximum≤ 8.5 SUall year009A
Oil & Greasedaily maximum≤ 5 mg/Lall year009A
Oil & Greasedaily maximum≤ 5 mg/Lall year009A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year009A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year010A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year010A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year010A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year010A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year010A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year010A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year010A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year010A
pHinstantaneous minimum≥ 6.5 SUall year010A
pHinstantaneous maximum≤ 8.5 SUall year010A
pHinstantaneous minimum≥ 6.5 SUall year010A
pHinstantaneous maximum≤ 8.5 SUall year010A
Oil & Greasedaily maximum≤ 5 mg/Lall year010A
Oil & Greasedaily maximum≤ 5 mg/Lall year010A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year010A
Chemical oxygen demand [COD]quarterly averagereport only (mg/L)all year010A
Chemical oxygen demand [COD]quarterly averagereport only (mg/L)all year010A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011A
pHinstantaneous minimum≥ 6.5 SUall year011A
pHinstantaneous maximum≤ 8.5 SUall year011A
pHinstantaneous minimum≥ 6.5 SUall year011A
pHinstantaneous maximum≤ 8.5 SUall year011A
Oil & Greasedaily maximum≤ 5 mg/Lall year011A
Oil & Greasedaily maximum≤ 5 mg/Lall year011A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011B
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011B
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011B
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011B
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011B
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011B
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011B
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011B
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011B
pHinstantaneous minimum≥ 6.5 SUall year011B
pHinstantaneous maximum≤ 8.5 SUall year011B
pHinstantaneous minimum≥ 6.5 SUall year011B
pHinstantaneous maximum≤ 8.5 SUall year011B
Oil & Greasedaily maximum≤ 5 mg/Lall year011B
Oil & Greasedaily maximum≤ 5 mg/Lall year011B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011B
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011C
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011C
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011C
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011C
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011C
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011C
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011C
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011C
pHinstantaneous minimum≥ 6.5 SUall year011C
pHinstantaneous maximum≤ 8.5 SUall year011C
pHinstantaneous minimum≥ 6.5 SUall year011C
pHinstantaneous maximum≤ 8.5 SUall year011C
Oil & Greasedaily maximum≤ 5 mg/Lall year011C
Oil & Greasedaily maximum≤ 5 mg/Lall year011C
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011C
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011D
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011D
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011D
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011D
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011D
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011D
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011D
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011D
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011D
pHinstantaneous minimum≥ 6.5 SUall year011D
pHinstantaneous maximum≤ 8.5 SUall year011D
pHinstantaneous minimum≥ 6.5 SUall year011D
pHinstantaneous maximum≤ 8.5 SUall year011D
Oil & Greasedaily maximum≤ 5 mg/Lall year011D
Oil & Greasedaily maximum≤ 5 mg/Lall year011D
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011D
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011E
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011E
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011E
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011E
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011E
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011E
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011E
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011E
pHinstantaneous minimum≥ 6.5 SUall year011E
pHinstantaneous maximum≤ 8.5 SUall year011E
pHinstantaneous minimum≥ 6.5 SUall year011E
pHinstantaneous maximum≤ 8.5 SUall year011E
Oil & Greasedaily maximum≤ 5 mg/Lall year011E
Oil & Greasedaily maximum≤ 5 mg/Lall year011E
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011E
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011F
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011F
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011F
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011F
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year011F
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year011F
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year011F
Temperature, water deg. centigrademonthly averagereport only (deg C)all year011F
pHinstantaneous minimum≥ 6.5 SUall year011F
pHinstantaneous maximum≤ 8.5 SUall year011F
pHinstantaneous minimum≥ 6.5 SUall year011F
pHinstantaneous maximum≤ 8.5 SUall year011F
Oil & Greasedaily maximum≤ 5 mg/Lall year011F
Oil & Greasedaily maximum≤ 5 mg/Lall year011F
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011F
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year012A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year012A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year012A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year012A
Temperature, water deg. centigrade7-day maximumreport only (deg C)all year012A
Temperature, water deg. centigrademaximum daily averagereport only (deg C)all year012A
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year012A
Temperature, water deg. centigrademonthly averagereport only (deg C)all year012A
pHinstantaneous minimum≥ 6.5 SUall year012A
pHinstantaneous maximum≤ 8.5 SUall year012A
pHinstantaneous minimum≥ 6.5 SUall year012A
pHinstantaneous maximum≤ 8.5 SUall year012A
Oil & Greasedaily maximum≤ 5 mg/Lall year012A
Oil & Greasedaily maximum≤ 5 mg/Lall year012A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012A
Thermal Dischargemonthly average≤ 11300 mkcal/dayJun–OctSUM
Oil and grease visualinstantaneous maximumreport only (N=0;Y=1)all yearSUM

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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