Garrison Diversion Conservancy District

NPDES permit ND0026964 · Minor NON-POTW · effective, expires 2031-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

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

Reporting

Reports are due about 30 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (39)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MN report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX <= 90 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MN report only all year
001Chlorine, total residualMO AVG <= .011 mg/L all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Chlorine, total residualDAILY MN >= 3 mg/L all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX report only all year
001Flow, totalTOTAL report only all year
001Turbidity, lab, NTUDAILY MN report only all year
001Turbidity, lab, NTUMO AVG report only all year
001Turbidity, lab, NTUDAILY MX <= 10 NTU all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY MN report only all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX <= 90 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualDAILY MN report only all year
002Chlorine, total residualMO AVG <= .011 mg/L all year
002Chlorine, total residualDAILY MX <= .019 mg/L all year
002Flow, totalTOTAL report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MN report only all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX <= 90 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualDAILY MN report only all year
003Chlorine, total residualMO AVG <= .011 mg/L all year
003Chlorine, total residualDAILY MX <= .019 mg/L all year
003Flow, totalTOTAL 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