Lead - Deadwood Sanitary District

NPDES permit SD0020796 · Major POTW · administratively continued, expires 2020-06-30 · 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.

This permit expired on 2020-06-30 and is administratively continued: 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)
0of 28 forms filed late

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

Reporting

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

Limits in force (112)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigrade30DA AVG report only all year
001Temperature, water deg. centigradeDAILY MX <= 24 deg C all year
001Flow rate30DA AVG report only all year
001Flow rateDAILY MX report only all year
001Conductivity30DA AVG <= 3651 umho/cm all year
001ConductivityDAILY MX <= 4375 umho/cm all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG report only all year
001BOD, 5-day, 20 deg. C30DA AVG <= 10 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 17.5 mg/L all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 8.3 SU all year
001Alkalinity, total [as CaCO3]30DA AVG report only all year
001Alkalinity, total [as CaCO3]DAILY MX report only all year
001Solids, total suspended30DA AVG report only all year
001Solids, total suspended30DA AVG <= 18 mg/L all year
001Solids, total suspendedDAILY MX <= 32 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Nitrogen, total [as N]30DA AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 2.6 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 2.8 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 4.3 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 5 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 4.8 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 3.8 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 4.7 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 5 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 5 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 5 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 4.9 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 4.9 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 4.3 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 5 mg/L Dec
001Phosphorus, total [as P]30DA AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Cyanide, weak acid, dissociableDAILY MX report only all year
001Cyanide, weak acid, dissociableDAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]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
001Thallium, total recoverableDAILY MX report only all year
001Thallium, total recoverableDAILY MX report only all year
001Beryllium, total recoverable [as Be]DAILY MX report only all year
001Beryllium, total recoverable [as Be]DAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Silver 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
001Molybdenum, total recoverableDAILY MX report only all year
001Molybdenum, total recoverableDAILY MX report only all year
001Antimony, total recoverableDAILY MX report only all year
001Antimony, total recoverableDAILY MX report only all year
001PhenolsDAILY MX report only all year
001PhenolsDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001E. coli, colony forming units [CFU]30DA GEO <= 126 #/100mL May, Jun, Jul, Aug, Sep
001E. coli, colony forming units [CFU]DAILY MX <= 235 #/100mL May, Jun, Jul, Aug, Sep
001Flow, totalMO TOTAL report only all year
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 2.7 toxic all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 2.7 toxic all year
001Solids, total dissolved30DA AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Mercury, total recoverableDAILY MX report only all year
001Mercury, total recoverableDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Oil and grease visualDAILY MX <= 0 abst=0;prst=1 all year
001Report due [yrmoda]VALUE <= 0 Y=0;N=1 all year
001Report due [yrmoda]VALUE <= 0 Y=0;N=1 all year
003Temperature, water deg. centigradeDAILY MX report only all year
003Flow rateINST MIN >= 7 MGD all year
003Flow rateDAILY MX report only all year
003Rainfall durationDAILY MX report only all year
003BOD, 5-day, 20 deg. CDAILY MX report only all year
003pHDAILY MN report only all year
003pHDAILY MX report only all year
003Solids, total suspendedDAILY MX report only all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Floating solids, waste or visible foam-visualDAILY MX report only all year
003RainfallDAILY MX report only all year
003E. coli, colony forming units [CFU]DAILY MX report only all year
003Number of EventsMO TOTAL report only all year
003Flow, totalMO TOTAL report only all year
003Duration of dischargeMO TOTAL 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