Passage Data · Check a report · Use it from your AI

Canton, City of

Sewage treatment plant, Canton, South Dakota. NPDES permit SD0022489 expired Dec 31, 2023; its limits still apply. Last 12 months: no values over a limit, 15 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values), form MA yearly, form MS twice a year, form W yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 1 required value missing, 2 of 16 reports late

Limits in force (81)

ParameterStatisticLimitMonths
Temperature, water deg. centigrade30-day averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Flow rate30-day averagereport only (MGD)all year
Flow ratedaily maximumreport only (MGD)all year
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum 7-day averagereport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day average≤ 465 lb/dall year
BOD, 5-day, 20 deg. Cmaximum 7-day average≤ 698 lb/dall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day averagereport only (mg/L)all year
Solids, total suspendedmaximum 7-day averagereport only (mg/L)all year
Solids, total suspended30-day average≤ 1241 lb/dall year
Solids, total suspendedmaximum 7-day average≤ 1862 lb/dall year
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]30-day average≤ 278 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 278 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 350 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 278 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 82 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 43 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 40 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 169 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 460 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 39 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 104 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 416 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 494 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 621 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 679 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 494 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 149 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 149 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 149 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 860 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 862 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 185 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 185 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 858 lb/dNov
Cyanide, weak acid, dissociabledaily maximumreport only (ug/L)all year
Cyanide, weak acid, dissociabledaily maximumreport only (ug/L)all year
Cyanide, total [as CN]daily maximumreport only (ug/L)all year
Cyanide, total [as CN]daily maximumreport only (ug/L)all year
Arsenic, total [as As]daily maximumreport only (ug/L)all year
Arsenic, total [as As]daily maximumreport only (ug/L)all year
Beryllium, total [as Be]daily maximumreport only (ug/L)all year
Beryllium, total [as Be]daily maximumreport only (ug/L)all year
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year
Chromium, total [as Cr]daily maximumreport only (ug/L)all year
Chromium, total [as Cr]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Lead, total [as Pb]daily maximumreport only (ug/L)all year
Lead, total [as Pb]daily maximumreport only (ug/L)all year
Thallium, total [as Tl]daily maximumreport only (ug/L)all year
Thallium, total [as Tl]daily maximumreport only (ug/L)all year
Molybdenum, total [as Mo]daily maximumreport only (ug/L)all year
Molybdenum, total [as Mo]daily maximumreport only (ug/L)all year
Nickel, total [as Ni]daily maximumreport only (ug/L)all year
Nickel, total [as Ni]daily maximumreport only (ug/L)all year
Silver, total [as Ag]daily maximumreport only (ug/L)all year
Silver, total [as Ag]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]daily maximumreport only (ug/L)all year
Antimony, total [as Sb]daily maximumreport only (ug/L)all year
Antimony, total [as Sb]daily maximumreport only (ug/L)all year
Selenium, total [as Se]daily maximumreport only (ug/L)all year
Selenium, total [as Se]daily maximumreport only (ug/L)all year
Phenolsdaily maximumreport only (ug/L)all year
Phenolsdaily maximumreport only (ug/L)all year
Chlorine, total residualdaily maximum≤ .019 mg/Lall year
E. coli, colony forming units [CFU]30-day geometric mean≤ 126 #/100mLMar–Nov
E. coli, colony forming units [CFU]daily maximum≤ 235 #/100mLMar–Nov
Flow, totalmonthly totalreport only (Mgal)all year
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)all year
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)all year
Mercury, total [as Hg]daily maximumreport only (ug/L)all year
Mercury, total [as Hg]daily maximumreport only (ug/L)all year
Duration of dischargemonthly totalreport only (d)all year

How strict are these limits?

Cited limits by parameter: South Dakota's rules and the federal ones.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SD0022489 · MCP: https://passage-data.com/mcp