USCOE - Ft Randall Dam

NPDES permit SD0020648 · Minor FEDERAL · effective, expires 2026-09-30 · 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 66 forms filed late

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

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 (60)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigrade30DA AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Flow rate30DA AVG report only all year
001Flow rateDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Floating solids, waste or visible foam-visualDAILY MX <= 0 N=0;Y=1 all year
001Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
001Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
001Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
002Temperature, water deg. centigrade30DA AVG report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Flow rate30DA AVG report only all year
002Flow rateDAILY MX report only all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Floating solids, waste or visible foam-visualDAILY MX <= 0 N=0;Y=1 all year
002Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
002Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
002Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
003Temperature, water deg. centigrade30DA AVG report only all year
003Temperature, water deg. centigradeDAILY MX report only all year
003Flow rate30DA AVG report only all year
003Flow rateDAILY MX report only all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Floating solids, waste or visible foam-visualDAILY MX <= 0 N=0;Y=1 all year
003Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
003Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
003Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
004Temperature, water deg. centigrade30DA AVG report only all year
004Temperature, water deg. centigradeDAILY MX report only all year
004Flow rate30DA AVG report only all year
004Flow rateDAILY MX report only all year
004pHDAILY MN >= 6.5 SU all year
004pHDAILY MX <= 9 SU all year
004Floating solids, waste or visible foam-visualDAILY MX <= 0 N=0;Y=1 all year
004Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
004Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
004Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
006Temperature, water deg. centigrade30DA AVG report only all year
006Temperature, water deg. centigradeDAILY MX report only all year
006Flow rate30DA AVG report only all year
006Flow rateDAILY MX report only all year
006pHDAILY MN >= 6.5 SU all year
006pHDAILY MX <= 9 SU all year
006Floating solids, waste or visible foam-visualDAILY MX <= 0 N=0;Y=1 all year
006Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
006Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
006Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
007Temperature, water deg. centigrade30DA AVG report only all year
007Temperature, water deg. centigradeDAILY MX report only all year
007Flow rate30DA AVG report only all year
007Flow rateDAILY MX report only all year
007pHDAILY MN >= 6.5 SU all year
007pHDAILY MX <= 9 SU all year
007Floating solids, waste or visible foam-visualDAILY MX <= 0 N=0;Y=1 all year
007Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
007Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
007Oil and grease visualDAILY MX <= 0 N=0;Y=1 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