NORTH DAVIS SEWER DIST

NPDES permit UT0021741 · Major POTW · expired, expires 2025-12-31 · 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.

This permit expired on 2025-12-31 and is expired: 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
0required values missing, on 0 form(s)
2of 40 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 (170)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO MIN report only all year
001BOD, 5-day, 20 deg. C30DA AVG <= 25 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 35 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 25 mg/L all year
001Solids, total suspendedMX WK AV <= 35 mg/L all year
001Solids, total suspended30DA AVG report only all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Ammonia nitrogen, total, [as N] 30 day30DA AVG report only all year
001Nitrogen, ammonia total [as N]30DA AVG report only all year
001Nitrogen, Kjeldahl, total [as N]3B report only all year
001Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
001Phosphorus, total [as P]30DA AVG report only all year
001Phosphorus, total [as P]ANNL AVG <= 3 mg/L all year
001Phosphorus, total [as P]30DA AVG report only all year
001Cyanide, free [as free]MX MO AV report only all year
001Cyanide, total [as CN]QRTR AVG report only all year
001Cyanide, total [as CN]MX MO AV report only all year
001Cyanide, total [as CN]QB report only all year
001Cyanide, total [as CN]QRTR AVG report only all year
001Cyanide, total [as CN]QB report only all year
001Arsenic, total [as As]QRTR AVG report only all year
001Arsenic, total [as As]QB report only all year
001Arsenic, total [as As]QRTR AVG report only all year
001Arsenic, total [as As]QB report only all year
001Cadmium, total [as Cd]QRTR AVG report only all year
001Cadmium, total [as Cd]QB report only all year
001Cadmium, total [as Cd]QRTR AVG report only all year
001Cadmium, total [as Cd]QB report only all year
001Chromium, total [as Cr]QRTR AVG report only all year
001Chromium, total [as Cr]QB report only all year
001Chromium, total [as Cr]QRTR AVG report only all year
001Chromium, total [as Cr]QB report only all year
001Copper, total [as Cu]QRTR AVG report only all year
001Copper, total [as Cu]MX MO AV report only all year
001Copper, total [as Cu]QB report only all year
001Copper, total [as Cu]QRTR AVG report only all year
001Copper, total [as Cu]QB report only all year
001Lead, total [as Pb]QRTR AVG report only all year
001Lead, total [as Pb]QB report only all year
001Lead, total [as Pb]QRTR AVG report only all year
001Lead, total [as Pb]QB report only all year
001Molybdenum, total [as Mo]QRTR AVG report only all year
001Molybdenum, total [as Mo]QB report only all year
001Molybdenum, total [as Mo]QRTR AVG report only all year
001Molybdenum, total [as Mo]QB report only all year
001Nickel, total [as Ni]QRTR AVG report only all year
001Nickel, total [as Ni]QB report only all year
001Nickel, total [as Ni]QRTR AVG report only all year
001Nickel, total [as Ni]QB report only all year
001Silver, total [as Ag]QRTR AVG report only all year
001Silver, total [as Ag]QB report only all year
001Silver, total [as Ag]QRTR AVG report only all year
001Silver, total [as Ag]QB report only all year
001Zinc, total [as Zn]QRTR AVG report only all year
001Zinc, total [as Zn]QB report only all year
001Zinc, total [as Zn]QRTR AVG report only all year
001Zinc, total [as Zn]QB report only all year
001Selenium, total [as Se]QRTR AVG report only all year
001Selenium, total [as Se]QB report only all year
001Selenium, total [as Se]QRTR AVG report only all year
001Selenium, total [as Se]QB report only all year
001Phosphate, ortho [as P]30DA AVG report only all year
001Chlorine, total residualDAILY MX <= 2.5 mg/L all year
001E. coliMX MO AV <= 126 #/100mL all year
001E. coliMX 7D AV <= 157 #/100mL all year
001Nitrogen, nitrate total [as NO3]MX MO AV report only all year
001Nitrogen, nitrite total [as NO2]MX MO AV report only all year
001Mercury, total [as Hg]QRTR AVG report only all year
001Mercury, total [as Hg]QB report only all year
001Mercury, total [as Hg]QRTR AVG report only all year
001Mercury, total [as Hg]QB report only all year
001BOD, 5-day, percent removalMN % RMV >= 85 % all year
001Solids, suspended percent removalMN % RMV >= 85 % all year
001Flow, totalMX MO AV report only all year
001Flow, totalDAILY MX report only all year
001Flow, totalMX MO AV report only all year
001Flow, totalDAILY MX report only all year
001Oil and grease visualDAILY MX report only all year
001Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubiaMAXIMUM <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 96Hr Acute Pimephales PromelasDAILY MX <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 7Day Chronic Pimephales promelasDAILY MX <= 0 pass=0;fail=1 all year
003Oxygen, dissolved [DO]MO MIN report only all year
003BOD, 5-day, 20 deg. CMX MO AV <= 25 mg/L all year
003BOD, 5-day, 20 deg. CMX WK AV <= 35 mg/L all year
003BOD, 5-day, 20 deg. CMX MO AV report only all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMX MO AV <= 25 mg/L all year
003Solids, total suspendedMX WK AV <= 35 mg/L all year
003Solids, total suspendedMX MO AV report only all year
003Oil & GreaseDAILY MX <= 10 mg/L all year
003Nitrogen, ammonia total [as N]30DA AVG report only all year
003Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
003Nitrogen, Kjeldahl, total [as N]30DA AVG report only all year
003Phosphorus, total [as P]30DA AVG report only all year
003Phosphorus, total [as P]30DA AVG report only all year
003Cyanide, free [as free]30DA AVG report only all year
003Cyanide, total [as CN]30DA AVG report only all year
003Cyanide, total [as CN]QRTR AVG report only all year
003Cyanide, total [as CN]QB report only all year
003Cyanide, total [as CN]QRTR AVG report only all year
003Cyanide, total [as CN]QB report only all year
003Arsenic, total [as As]QRTR AVG report only all year
003Arsenic, total [as As]QB report only all year
003Arsenic, total [as As]QRTR AVG report only all year
003Arsenic, total [as As]QB report only all year
003Cadmium, total [as Cd]QRTR AVG report only all year
003Cadmium, total [as Cd]QB report only all year
003Cadmium, total [as Cd]QRTR AVG report only all year
003Cadmium, total [as Cd]QB report only all year
003Chromium, total [as Cr]QRTR AVG report only all year
003Chromium, total [as Cr]QB report only all year
003Chromium, total [as Cr]QRTR AVG report only all year
003Chromium, total [as Cr]QB report only all year
003Copper, total [as Cu]30DA AVG report only all year
003Copper, total [as Cu]QRTR AVG report only all year
003Copper, total [as Cu]QB report only all year
003Copper, total [as Cu]QRTR AVG report only all year
003Copper, total [as Cu]QB report only all year
003Lead, total [as Pb]QRTR AVG report only all year
003Lead, total [as Pb]QB report only all year
003Lead, total [as Pb]QRTR AVG report only all year
003Lead, total [as Pb]QB report only all year
003Molybdenum, total [as Mo]QRTR AVG report only all year
003Molybdenum, total [as Mo]QB report only all year
003Molybdenum, total [as Mo]QRTR AVG report only all year
003Molybdenum, total [as Mo]QB report only all year
003Nickel, total [as Ni]QRTR AVG report only all year
003Nickel, total [as Ni]QB report only all year
003Nickel, total [as Ni]QRTR AVG report only all year
003Nickel, total [as Ni]QB report only all year
003Silver, total [as Ag]QRTR AVG report only all year
003Silver, total [as Ag]QB report only all year
003Silver, total [as Ag]QRTR AVG report only all year
003Silver, total [as Ag]QB report only all year
003Zinc, total [as Zn]QRTR AVG report only all year
003Zinc, total [as Zn]QB report only all year
003Zinc, total [as Zn]QRTR AVG report only all year
003Zinc, total [as Zn]QB report only all year
003Selenium, total [as Se]QRTR AVG report only all year
003Selenium, total [as Se]QB report only all year
003Selenium, total [as Se]QRTR AVG report only all year
003Selenium, total [as Se]QB report only all year
003Phosphate, ortho [as P]30DA AVG report only all year
003E. coliMX MO AV <= 126 #/100mL all year
003E. coliMX WK AV <= 157 #/100mL all year
003Nitrogen, Ammonia Total30DA AVG report only all year
003Nitrogen, nitrate total [as NO3]30DA AVG report only all year
003Nitrogen, nitrite total [as NO2]30DA AVG report only all year
003Mercury, total [as Hg]QRTR AVG report only all year
003Mercury, total [as Hg]QB report only all year
003Mercury, total [as Hg]QRTR AVG report only all year
003Mercury, total [as Hg]QB report only all year
003Organics, total toxic [TTO]ANNL MAX report only all year
003Organics, total toxic [TTO]ANNL MAX report only all year
003BOD, 5-day, percent removalMN % RMV >= 85 % all year
003Solids, suspended percent removalMN % RMV >= 85 % all year
003Flow, totalMX MO AV <= 34 MGD all year
003Flow, totalDAILY MX report only all year
003Flow, totalMX MO AV report only all year
003Flow, totalDAILY MX report only all year
003Oil and grease visualDAILY MX <= 0 abst=0;prst=1 all year
003Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubiaMAXIMUM <= 0 pass=0;fail=1 all year
003Pass/Fail Static Renewal 96Hr Acute Pimephales PromelasDAILY MX <= 0 pass=0;fail=1 all year
003Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
003Pass/Fail Static Renewal 7Day Chronic Pimephales promelasDAILY MX <= 0 pass=0;fail=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