Steamboat Springs City of

NPDES permit CO0020834 · Major POTW · administratively continued, expires 2021-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2021-12-31 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

14values over a limit
0required values missing, on 0 form(s)
55of 55 forms filed late

Last period with anything received: 2026-07-31. Most often over: Copper, potentially dissolved (11), BOD, 5-day, percent removal (1), pH (1).

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 (244)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMX WK AV report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Temperature, water deg. centigradeMX WK AV report only Mar, Apr, May, Jun
001Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Temperature, water deg. centigradeDAILY MX report only Mar, Apr, May, Jun
001BOD, 5-day, 20 deg. C30DA GEO <= 30 mg/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L Mar, Apr, May, Jun
001BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L Mar, Apr, May, Jun
001pHMINIMUM >= 6.5 SU Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001pHMINIMUM >= 6.5 SU Mar, Apr, May, Jun
001pHMAXIMUM <= 9 SU Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001pHMAXIMUM <= 9 SU Mar, Apr, May, Jun
001Solids, total suspended30DA AVG <= 30 mg/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, total suspended30DA AVG <= 30 mg/L Mar, Apr, May, Jun
001Solids, total suspendedMX 7D AV <= 45 mg/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, total suspendedMX 7D AV <= 45 mg/L Mar, Apr, May, Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 6.6 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 4.8 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 2.7 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 17 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 16 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 13 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 3.5 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 6.8 mg/L Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 5.4 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 4.7 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 2.9 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 3.9 mg/L Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 4.3 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 3.6 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 5.8 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 3 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 2.2 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 20 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 21 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 29 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 28 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 18 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 16 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 16 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 14 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 20 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 21 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 16 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 14 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 13 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 16 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 60 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 14 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 13 mg/L Mar
001Nitrogen, ammonia total [as N]ROLL AVG <= 2.1 mg/L Oct
001Nitrogen, ammonia total [as N]ROLL AVG <= 4.6 mg/L Jan
001Nitrogen, ammonia total [as N]ROLL AVG <= 2.7 mg/L Aug
001Nitrogen, ammonia total [as N]ROLL AVG <= 2.5 mg/L Sep
001Nitrogen, ammonia total [as N]ROLL AVG <= 4.6 mg/L Nov
001Nitrogen, ammonia total [as N]ROLL AVG <= 4.6 mg/L Feb
001Nitrogen, ammonia total [as N]ROLL AVG <= 4.6 mg/L Dec
001Nitrogen, ammonia total [as N]ROLL AVG <= 4.7 mg/L Mar
001Cyanide, weak acid, dissociable30DA AVG report only Jun, Dec
001Cyanide, weak acid, dissociableDAILY MX report only Jun, Dec
001Cyanide, total [as CN]ANNL AVG report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Chloride [as Cl]30DA AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Chloride [as Cl]30DA AVG report only Mar, Apr, May, Jun
001Arsenic, total recoverable30DA AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Arsenic, total recoverable30DA AVG report only Mar, Apr, May, Jun
001Iron, total recoverable30DA AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Iron, total recoverable30DA AVG report only Mar, Apr, May, Jun
001Arsenic, total [as As]ANNL AVG report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Cadmium, total [as Cd]ANNL AVG report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Chromium, total [as Cr]ANNL AVG report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Copper, total [as Cu]ANNL AVG report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Iron, dissolved [as Fe]30DA AVG <= 460 ug/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Iron, dissolved [as Fe]30DA AVG <= 300 ug/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Iron, dissolved [as Fe]30DA AVG <= 460 ug/L Mar, Apr, May, Jun
001Iron, dissolved [as Fe]30DA AVG <= 300 ug/L Mar, Apr, May, Jun
001Lead, total [as Pb]ANNL AVG report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Molybdenum, total [as Mo]ANNL AVG report only all year
001Molybdenum, total [as Mo]DAILY MX report only all year
001Nickel, total [as Ni]ANNL AVG report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Silver, total [as Ag]ANNL AVG report only all year
001Silver, total [as Ag]DAILY MX report only all year
001Zinc, total [as Zn]ANNL AVG report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Chromium, total recoverable30DA AVG report only Jun, Dec
001Chromium, total recoverableDAILY MX report only Jun, Dec
001Chromium, total recoverableROLL AVG report only Jun, Dec
001Molybdenum, total recoverable30DA AVG report only Jun, Dec
001Molybdenum, total recoverableDAILY MX report only Jun, Dec
001Selenium, total [as Se]ANNL AVG report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Zinc, potentially dissolved30DA AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Zinc, potentially dissolved30DA AVG report only Mar, Apr, May, Jun
001Zinc, potentially dissolvedDAILY MX report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Zinc, potentially dissolvedDAILY MX report only Mar, Apr, May, Jun
001Zinc, potentially dissolvedROLL AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Zinc, potentially dissolvedROLL AVG report only Mar, Apr, May, Jun
001Silver, potentially dissolved30DA AVG report only Mar, Jun, Sep, Dec
001Silver, potentially dissolvedDAILY MX report only Mar, Jun, Sep, Dec
001Copper, potentially dissolved30DA AVG <= 31 ug/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Copper, potentially dissolved30DA AVG <= 37 ug/L Mar, Apr, May, Jun
001Copper, potentially dissolved30DA AVG <= 31 ug/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Copper, potentially dissolvedDAILY MX <= 31 ug/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Copper, potentially dissolvedDAILY MX <= 33 ug/L Mar, Apr, May, Jun
001Copper, potentially dissolvedDAILY MX <= 28 ug/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Cadmium, potentially dissolvd30DA AVG report only Jun, Dec
001Cadmium, potentially dissolvdDAILY MX report only Jun, Dec
001Cadmium, potentially dissolvdROLL AVG report only Jun, Dec
001Lead, potentially dissolvd30DA AVG report only Jun, Dec
001Lead, potentially dissolvdDAILY MX report only Jun, Dec
001Lead, potentially dissolvdROLL AVG report only Jun, Dec
001Manganese, potentially dissolvd30DA AVG <= 202 ug/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Manganese, potentially dissolvd30DA AVG <= 185 ug/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Manganese, potentially dissolvd30DA AVG <= 202 ug/L Mar, Jun
001Manganese, potentially dissolvd30DA AVG <= 156 ug/L Mar, Jun
001Manganese, potentially dissolvdDAILY MX report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Manganese, potentially dissolvdDAILY MX report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Manganese, potentially dissolvdDAILY MX report only Mar, Jun
001Manganese, potentially dissolvdDAILY MX report only Mar, Jun
001Nickel, potentially dissolvd30DA AVG report only Jun, Dec
001Nickel, potentially dissolvdDAILY MX report only Jun, Dec
001Nickel, potentially dissolvdROLL AVG report only Jun, Dec
001Selenium, potentially dissolvd30DA AVG report only Jun, Dec
001Selenium, potentially dissolvdDAILY MX report only Jun, Dec
001Selenium, potentially dissolvdROLL AVG report only Jun, Dec
001Oil and greaseINST MAX <= 10 mg/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Oil and greaseINST MAX <= 10 mg/L Mar, Apr, May, Jun
001Total phenolsANNL AVG report only all year
001Total phenolsDAILY MX report only all year
001Flow, in conduit or thru treatment plant30DA AVG <= 5 MGD Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Flow, in conduit or thru treatment plant30DA AVG <= 7.5 MGD Mar, Apr, May, Jun
001Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX report only Mar, Apr, May, Jun
001Chlorine, total residual30DA AVG <= .016 mg/L Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Chlorine, total residual30DA AVG <= .016 mg/L Mar, Apr, May, Jun
001Mercury, total [low level]30DA AVG <= .2 ug/L Mar, Jun, Sep, Dec
001Mercury, total [low level]30DA AVG <= .082 ug/L Sep, Dec
001Mercury, total [low level]30DA AVG <= .057 ug/L Mar, Jun
001E. coli30DA GM <= 372 #/100mL Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001E. coli30DA GM <= 372 #/100mL Mar, Apr, May, Jun
001E. coliMX 7D GM <= 1334 #/100mL Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001E. coliMX 7D GM <= 1334 #/100mL Mar, Apr, May, Jun
001Sulfide-hydrogen sulfide [undissociated]30DA AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Sulfide-hydrogen sulfide [undissociated]30DA AVG report only Mar, Apr, May, Jun
001Perfluorooctanoic acid (PFOA)30DA AVG report only all year
001Perfluorooctanoic acid (PFOA)DAILY MX report only all year
001Perfluorobutanoic acid (PFBA)30DA AVG report only all year
001Perfluorobutanoic acid (PFBA)DAILY MX report only all year
001Perfluorooctanesulfonamide (PFOSA)30DA AVG report only all year
001Perfluorooctanesulfonamide (PFOSA)DAILY MX report only all year
001Nonylphenol30DA AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Nonylphenol30DA AVG report only Mar, Apr, May, Jun
001NonylphenolDAILY MX report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001NonylphenolDAILY MX report only Mar, Apr, May, Jun
001Perfluoropentanoic acid (PFPeA)30DA AVG report only all year
001Perfluoropentanoic acid (PFPeA)DAILY MX report only all year
001Perfluorohexanoic acid (PFHxA)30DA AVG report only all year
001Perfluorohexanoic acid (PFHxA)DAILY MX report only all year
001Perfluoroheptanoic acid (PFHpA)30DA AVG report only all year
001Perfluoroheptanoic acid (PFHpA)DAILY MX report only all year
001Perfluorononanoic acid (PFNA)30DA AVG report only all year
001Perfluorononanoic acid (PFNA)DAILY MX report only all year
001Perfluorodecanoic acid (PFDA)30DA AVG report only all year
001Perfluorodecanoic acid (PFDA)DAILY MX report only all year
001Perfluoroundecanoic acid (PFUnA)30DA AVG report only all year
001Perfluoroundecanoic acid (PFUnA)DAILY MX report only all year
001Perfluorododecanoic acid (PFDoA)30DA AVG report only all year
001Perfluorododecanoic acid (PFDoA)DAILY MX report only all year
001Perfluorotridecanoic acid (PFTrDA)30DA AVG report only all year
001Perfluorotridecanoic acid (PFTrDA)DAILY MX report only all year
001Perfluorotetradecanoic acid (PFTeDA)30DA AVG report only all year
001Perfluorotetradecanoic acid (PFTeDA)DAILY MX report only all year
001N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)30DA AVG report only all year
001N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)DAILY MX report only all year
001N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)30DA AVG report only all year
001N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)DAILY MX report only all year
001Perfluorobutanesulfonic acid (PFBS)30DA AVG report only all year
001Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
001Perfluorodecanesulfonic acid (PFDS)30DA AVG report only all year
001Perfluorodecanesulfonic acid (PFDS)DAILY MX report only all year
001Perfluoroheptanesulfonic acid (PFHpS)30DA AVG report only all year
001Perfluoroheptanesulfonic acid (PFHpS)DAILY MX report only all year
001Perfluorohexanesulfonic acid (PFHxS)30DA AVG report only all year
001Perfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
001Perfluorooctanesulfonic acid (PFOS)30DA AVG report only all year
001Perfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
0011H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)30DA AVG report only all year
0011H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)DAILY MX report only all year
0011H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)30DA AVG report only all year
0011H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)DAILY MX report only all year
0011H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)30DA AVG report only all year
0011H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)DAILY MX report only all year
001Perfluoropentanesulfonic acid (PFPeS)30DA AVG report only all year
001Perfluoropentanesulfonic acid (PFPeS)DAILY MX report only all year
001Perfluorononanesulfonic acid (PFNS)30DA AVG report only all year
001Perfluorononanesulfonic acid (PFNS)DAILY MX report only all year
001Hexafluoropropylene oxide dimer acid (HFPO-DA)30DA AVG report only all year
001Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
001Solids, total dissolved30DA AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, total dissolved30DA AVG report only Mar, Apr, May, Jun
001Solids, total dissolvedDAILY MX report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, total dissolvedDAILY MX report only Mar, Apr, May, Jun
001Mercury, total [as Hg]30DA AVG report only Sep, Dec
001Mercury, total [as Hg]ANNL AVG report only all year
001Mercury, total [as Hg]DAILY MX report only Sep, Dec
001Mercury, total [as Hg]DAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, 5-day, percent removalMO AV MN >= 85 % Mar, Apr, May, Jun
001Solids, suspended percent removalMO AV MN >= 85 % Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, suspended percent removalMO AV MN >= 85 % Mar, Apr, May, Jun
001Sulfate30DA AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Sulfate30DA AVG report only Mar, Apr, May, Jun
001Boron, total30DA AVG report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Boron, total30DA AVG report only Mar, Apr, May, Jun
001Oil and grease visualINST MAX report only Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec
001Oil and grease visualINST MAX report only Mar, Apr, May, Jun
001PFAS Sum30DA AVG report only all year
001PFAS SumDAILY MX report only all year
001Static Renewal 7 Day Chronic Ceriodaphnia dubiaSINGSAMP report only all year
001Static Renewal 7 Day Chronic Ceriodaphnia dubiaMN VALUE report only all year
001Static Renewal 7 Day Chronic Ceriodaphnia dubiaMN VALUE >= 12 tox chronic Sep, Dec
001Static Renewal 7 Day Chronic Ceriodaphnia dubiaMN VALUE >= 18 tox chronic Mar, Jun
001Static Renewal 7 Day Chronic Pimephales promelasSINGSAMP report only all year
001Static Renewal 7 Day Chronic Pimephales promelasMN VALUE report only all year
001Static Renewal 7 Day Chronic Pimephales promelasMN VALUE >= 12 tox chronic Sep, Dec
001Static Renewal 7 Day Chronic Pimephales promelasMN VALUE >= 18 tox chronic Mar, Jun
100Solids, total dissolved30DA AVG report only all year
100Solids, total dissolvedDAILY MX report only all year
300Plant capacity fact. percent of capacity30DA AVG report only all year
300Plant capacity fact. percent of capacity30DA AVG report only all year
300BOD, 5-day, 20 deg. C30DA AVG report only all year
300BOD, 5-day, 20 deg. CMX 7D AV report only all year
300BOD, 5-day, 20 deg. C30DA AVG report only all year
300BOD, 5-day, 20 deg. CMX 7D AV report only all year
300Solids, total suspended30DA AVG report only all year
300Solids, total suspendedMX 7D AV report only all year
300Flow, in conduit or thru treatment plant30DA AVG report only all year
300Flow, in conduit or thru treatment plantDAILY MX report only all year

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