STORY COUNTY PUBLIC WORKS

NPDES permit NV0020451 · Minor POTW · 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

4values over a limit
11required values missing, on 6 form(s)
0of 31 forms filed late

Last period with anything received: 2026-06-30. Most often over: Cyanide, total [as CN] (2), Hydrocarbons, total petroleum (1), Flow rate (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among NV permits in EPA's filings — check your permit).

Limits in force (70)

OutfallParameterStatisticLimitMonths
001BOD, 5-day30DA AVG <= 30 mg/L all year
001BOD, 5-day30DA AVG <= 30 mg/L all year
001BOD, 5-dayDAILY MX <= 45 mg/L all year
001BOD, 5-dayDAILY MX <= 45 mg/L all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Nitrogen, total [as N]7 DA AVG report only all year
001Nitrogen, total [as N]7 DA AVG report only all year
001Nitrogen, total [as N]DAILY MX <= 10 mg/L all year
001Nitrogen, total [as N]DAILY MX <= 10 mg/L all year
001Cyanide, total [as CN]30DA AVG <= 10 ug/L all year
001Cyanide, total [as CN]30DA AVG <= 10 ug/L all year
001Cyanide, total [as CN]DAILY MX <= 10 ug/L all year
001Cyanide, total [as CN]DAILY MX <= 10 ug/L all year
001Fluoride, total [as F]DAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Boron, total recoverableDAILY MX report only all year
001Boron, total recoverableDAILY MX report only all year
001Barium, total recoverableDAILY MX report only all year
001Barium, total recoverableDAILY MX report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001pH, maximumDAILY MX <= 9 SU all year
001pH, maximumDAILY MX <= 9 SU all year
001pH, minimumDAILY MN >= 6 SU all year
001pH, minimumDAILY MN >= 6 SU all year
001Coliform, fecal, colony forming units30DA GM <= 200 CFU/100mL all year
001Coliform, fecal, colony forming units30DA GM <= 200 CFU/100mL all year
001Coliform, fecal, colony forming units30DA GM <= 200 CFU/100mL all year
001Coliform, fecal, colony forming unitsMW <= 400 CFU/100mL all year
001Coliform, fecal, colony forming unitsMW <= 400 CFU/100mL all year
001Coliform, fecal, colony forming unitsMW <= 400 CFU/100mL all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
001Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
01DWater ElevationDAILY MX report only all year
01DWater ElevationDAILY MX report only all year
01DOutfall observation,visual, y/n responseET report only all year
01DOutfall observation,visual, y/n responseET report only all year
01DOutfall observation,visual, y/n responseX1 report only all year
01DOutfall observation,visual, y/n responseX1 report only all year
INFFlow rate30DA AVG <= .2 MGD all year
INFFlow rate30DA AVG <= .2 MGD all year
INFFlow rateDAILY MX <= .3 MGD all year
INFFlow rateDAILY MX <= .3 MGD all year
INFBOD, 5-day30DA AVG report only all year
INFBOD, 5-day30DA AVG report only all year
INFBOD, 5-dayDAILY MX report only all year
INFBOD, 5-dayDAILY MX report only all year
INFSolids, total suspended30DA AVG report only all year
INFSolids, total suspended30DA AVG report only all year
INFSolids, total suspendedDAILY MX report only all year
INFSolids, total suspendedDAILY MX 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