Grant County Public Utility District

NPDES permit WA0991028 · Minor NON-POTW · effective, expires 2026-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 132 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Limits in force (41)

OutfallParameterStatisticLimitMonths
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFTemperature, water deg. centigradeSingle Rdg report only (alert) all year
EFFpHMAXIMUM <= 8.5 SU all year
EFFpHMAXIMUM <= 8.5 SU all year
EFFpHMINIMUM >= 6.5 SU all year
EFFpHMINIMUM >= 6.5 SU all year
EFFOil & grease, non-polar materialDAILY MX <= 5 mg/L all year
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFNet rate of additionof heatSingle Rdg report only (alert) Jun, Jul, Aug, Sep, Oct
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year
EFFFlowSingle Rdg report only (alert) all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states