Riverton City

NPDES permit UT0026212 · Major NON-POTW · effective, expires 2027-03-31 · 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

3values over a limit
0required values missing, on 0 form(s)
4of 28 forms filed late

Last period with anything received: 2026-08-31. Most often over: Flow, in conduit or thru treatment plant (2), Oxygen, dissolved [DO] (1).

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 (25)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001pHDAILY MN > 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMX MO AV <= 25 mg/L all year
001Solids, total suspendedMX WK AV <= 35 mg/L all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Cyanide, total [as CN]30DA AVG report only all year
001Selenium, total recoverableDAILY MX <= .0072 mg/L all year
001Arsenic, total [as As]30DA AVG report only all year
001Cadmium, total [as Cd]30DA AVG report only all year
001Chromium, hexavalent [as Cr]30DA AVG report only all year
001Copper, total [as Cu]30DA AVG report only all year
001Iron, total [as Fe]30DA AVG report only all year
001Lead, total [as Pb]30DA AVG report only all year
001Nickel, total [as Ni]30DA AVG report only all year
001Silver, total [as Ag]30DA AVG report only all year
001Zinc, total [as Zn]30DA AVG report only all year
001Flow, in conduit or thru treatment plantMX MO AV <= 1 MGD all year
001E. coliMX MO AV <= 126 #/100mL all year
001E. coliMX WK AV <= 157 #/100mL all year
001Solids, total dissolved [TDS]DAILY MX <= 1200 mg/L all year
001Mercury, total recoverable30DA AVG report only all year
001Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 Apr, May, Jun, Oct, Nov, Dec
001Pass/Fail Static Renewal 7Day Chronic Pimephales promelasDAILY MX <= 0 pass=0;fail=1 Jan, Feb, Mar, Jul, Aug, Sep

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