Haakon School District 27-1

NPDES permit SD0025569 · Minor NON-POTW · administratively continued, expires 2025-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2025-12-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
14required values missing, on 1 form(s)
3of 17 forms filed late

Last period with anything received: 2026-05-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (16)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheit30DA AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Flow rate30DA AVG report only all year
001Flow rateDAILY MX report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Chloride [as Cl]30DA AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Radium 226, totalROLL AVG <= 5 pCi/L all year
001Radium 226, totalDAILY MX <= 15 pCi/L all year
001Floating solids, waste or visible foam-visualDAILY MX < 1 N=0;Y=1 all year
001Flow, totalMO TOTAL report only all year
001Solids, total dissolvedDAILY MX <= 2500 mg/L all year
001Duration of dischargeMO TOTAL report only 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