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Wiggins Town of

Water Supply, Wiggins, Colorado. NPDES permit CO0048853 expired Feb 29, 2024; its limits still apply. Last 12 months: over a limit 4 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (38 values), form X quarterly (6 values), form S twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 2 required values missing, 2 of 18 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
December 2025Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum value91 tox chronic≥ 100 tox chronic9%
March 2026Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum value36 tox chronic≥ 100 tox chronic64%
June 2026Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum value66 tox chronic≥ 100 tox chronic34%
August 2026Manganese, dissolved [as Mn], 30-day average90.9 ug/L≤ 50 ug/L82%

Limits in force (59)

ParameterStatisticLimitMonths
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year
Nitrogen, nitrite total [as N]daily maximum≤ 1 mg/Lall year
Nitrogen, inorganic totaldaily maximumreport only (mg/L)all year
Cyanide, weak acid, dissociabledaily maximumreport only (ug/L)all year
Chloride [as Cl]30-day averagereport only (ug/L)all year
Arsenic, total recoverable30-day averagereport only (ug/L)all year
Iron, total recoverable30-day averagereport only (ug/L)all year
Selenium, total recoverable30-day average≤ 20 ug/Lall year
Beryllium, total recoverable [as Be]30-day averagereport only (ug/L)all year
Iron, dissolved [as Fe]30-day averagereport only (ug/L)all year
Manganese, dissolved [as Mn]30-day average≤ 50 ug/Lall year
Manganese, dissolved [as Mn]daily maximumreport only (ug/L)all year
Nickel, total recoverable30-day averagereport only (ug/L)all year
Silver total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverable30-day averagereport only (ug/L)all year
Cadmium, total recoverable30-day averagereport only (ug/L)all year
Lead, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverable30-day averagereport only (ug/L)all year
Molybdenum, total recoverable30-day averagereport only (ug/L)all year
Chromium, hexavalent dissolved [as Cr]30-day averagereport only (ug/L)all year
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year
Zinc, potentially dissolved30-day averagereport only (ug/L)all year
Zinc, potentially dissolveddaily maximumreport only (ug/L)all year
Silver, potentially dissolved30-day averagereport only (ug/L)all year
Silver, potentially dissolveddaily maximumreport only (ug/L)all year
Copper, potentially dissolved30-day averagereport only (ug/L)all year
Copper, potentially dissolveddaily maximumreport only (ug/L)all year
Arsenic, potentially dissolveddaily maximumreport only (ug/L)all year
Cadmium, potentially dissolvd30-day averagereport only (ug/L)all year
Chromium, trivalent, potentially dissolvd30-day averagereport only (ug/L)all year
Lead, potentially dissolvd30-day averagereport only (ug/L)all year
Lead, potentially dissolvddaily maximumreport only (ug/L)all year
Nickel, potentially dissolvd30-day averagereport only (ug/L)all year
Nickel, potentially dissolvddaily maximumreport only (ug/L)all year
Selenium, potentially dissolvd30-day averagereport only (ug/L)all year
Selenium, potentially dissolvddaily maximumreport only (ug/L)all year
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year
Chromium, trivalent total recoverabledaily maximumreport only (ug/L)all year
Manganese, total recoverable30-day averagereport only (ug/L)all year
Radium 226 + radium 228, total30-day averagereport only (pCi/L)all year
Uranium, total30-day averagereport only (ug/L)all year
Flow, in conduit or thru treatment plant30-day average≤ .09 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Sulfide-hydrogen sulfide [undissociated]30-day averagereport only (mg/L)all year
Solids, total dissolved30-day averagereport only (mg/L)all year
Mercury, total [as Hg]30-day averagereport only (ug/L)all year
Chromium, hexavalent tot recoverable30-day averagereport only (ug/L)all year
Chromium, hexavalent tot recoverabledaily maximumreport only (ug/L)all year
Boron, total30-day averagereport only (mg/L)all year
Oil and grease visualinstantaneous maximumreport only (abst=0;prst=1)all year
Static Renewal 7 Day Chronic Ceriodaphnia dubiasingle samplereport only (tox chronic)all year
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum valuereport only (tox chronic)all year
Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum value≥ 100 tox chronicall year
Static Renewal 7 Day Chronic Pimephales promelassingle samplereport only (tox chronic)all year
Static Renewal 7 Day Chronic Pimephales promelasminimum valuereport only (tox chronic)all year
Static Renewal 7 Day Chronic Pimephales promelasminimum value≥ 100 tox chronicall year

How strict are these limits?

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

Same industry: the 13 Water Supply permits in Colorado.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/CO0048853 · MCP: https://passage-data.com/mcp