Steamboat Springs City of — NPDES permit CO0020834: limits, due date and EPA's record

Sewage treatment plant, major discharger, Steamboat Springs, Colorado. NPDES permit CO0020834 expired Dec 31, 2021; its limits still apply. Last 12 months: over a limit 17 times (last August 2026), 53 of 53 reports late. Source: EPA ECHO, Oct 22, 2026.

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

Limits in force (244)

Period ending	Parameter	Reported	Limit	Over by
October 2025	Copper, potentially dissolved, daily maximum	33	≤ 28 ug/L	18%
January 2026	Copper, potentially dissolved, daily maximum	52	≤ 28 ug/L	86%
February 2026	Copper, potentially dissolved, daily maximum	34	≤ 28 ug/L	21%
February 2026	pH, minimum	6.05	≥ 6.5 SU	—
March 2026	Copper, potentially dissolved, daily maximum	47	≤ 33 ug/L	42%
March 2026	Nitrogen, ammonia total [as N], 30-day average	5.3	≤ 2.2 mg/L	141%
April 2026	Copper, potentially dissolved, 30-day average	44	≤ 37 ug/L	19%
April 2026	Copper, potentially dissolved, daily maximum	138	≤ 33 ug/L	318%
May 2026	Copper, potentially dissolved, daily maximum	49	≤ 33 ug/L	48%
June 2026	Copper, potentially dissolved, daily maximum	41	≤ 33 ug/L	24%
July 2026	BOD, 5-day, percent removal, monthly average minimum	84	≥ 85 %	7%
July 2026	Copper, potentially dissolved, 30-day average	55	≤ 31 ug/L	77%
July 2026	Copper, potentially dissolved, daily maximum	147	≤ 28 ug/L	425%
August 2026	BOD, 5-day, percent removal, monthly average minimum	82	≥ 85 %	20%
August 2026	Copper, potentially dissolved, daily maximum	38	≤ 28 ug/L	36%
August 2026	Solids, suspended percent removal, monthly average minimum	68	≥ 85 %	113%
August 2026	Solids, total suspended, 30-day average	32	≤ 30 mg/L	7%

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. centigrade	maximum weekly average	report only (deg C)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Temperature, water deg. centigrade	maximum weekly average	report only (deg C)	Mar–Jun	001
Temperature, water deg. centigrade	daily maximum	report only (deg C)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Temperature, water deg. centigrade	daily maximum	report only (deg C)	Mar–Jun	001
BOD, 5-day, 20 deg. C	30-day geometric mean	≤ 30 mg/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
BOD, 5-day, 20 deg. C	30-day average	≤ 30 mg/L	Mar–Jun	001
BOD, 5-day, 20 deg. C	maximum 7-day average	≤ 45 mg/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
BOD, 5-day, 20 deg. C	maximum 7-day average	≤ 45 mg/L	Mar–Jun	001
pH	minimum	≥ 6.5 SU	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
pH	minimum	≥ 6.5 SU	Mar–Jun	001
pH	maximum	≤ 9 SU	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
pH	maximum	≤ 9 SU	Mar–Jun	001
Solids, total suspended	30-day average	≤ 30 mg/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Solids, total suspended	30-day average	≤ 30 mg/L	Mar–Jun	001
Solids, total suspended	maximum 7-day average	≤ 45 mg/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Solids, total suspended	maximum 7-day average	≤ 45 mg/L	Mar–Jun	001
Nitrogen, ammonia total [as N]	30-day average	≤ 6.6 mg/L	Jan	001
Nitrogen, ammonia total [as N]	30-day average	≤ 4.8 mg/L	Feb	001
Nitrogen, ammonia total [as N]	30-day average	≤ 2.7 mg/L	Jul	001
Nitrogen, ammonia total [as N]	30-day average	≤ 17 mg/L	Aug	001
Nitrogen, ammonia total [as N]	30-day average	≤ 16 mg/L	Sep	001
Nitrogen, ammonia total [as N]	30-day average	≤ 13 mg/L	Oct	001
Nitrogen, ammonia total [as N]	30-day average	≤ 3.5 mg/L	Nov	001
Nitrogen, ammonia total [as N]	30-day average	≤ 6.8 mg/L	Dec	001
Nitrogen, ammonia total [as N]	30-day average	≤ 5.4 mg/L	Jan	001
Nitrogen, ammonia total [as N]	30-day average	≤ 4.7 mg/L	Feb	001
Nitrogen, ammonia total [as N]	30-day average	≤ 2.9 mg/L	Nov	001
Nitrogen, ammonia total [as N]	30-day average	≤ 3.9 mg/L	Dec	001
Nitrogen, ammonia total [as N]	30-day average	≤ 4.3 mg/L	Mar	001
Nitrogen, ammonia total [as N]	30-day average	≤ 3.6 mg/L	Apr	001
Nitrogen, ammonia total [as N]	30-day average	≤ 5.8 mg/L	May	001
Nitrogen, ammonia total [as N]	30-day average	≤ 3 mg/L	Jun	001
Nitrogen, ammonia total [as N]	30-day average	≤ 2.2 mg/L	Mar	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 20 mg/L	Jan	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 21 mg/L	Feb	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 29 mg/L	Jul	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 28 mg/L	Aug	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 18 mg/L	Sep	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 16 mg/L	Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 16 mg/L	Nov	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 14 mg/L	Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 20 mg/L	Jan	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 21 mg/L	Feb	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 16 mg/L	Nov	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 14 mg/L	Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 13 mg/L	Mar	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 16 mg/L	Apr	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 60 mg/L	May	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 14 mg/L	Jun	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 13 mg/L	Mar	001
Nitrogen, ammonia total [as N]	rolling average	≤ 2.1 mg/L	Oct	001
Nitrogen, ammonia total [as N]	rolling average	≤ 4.6 mg/L	Jan	001
Nitrogen, ammonia total [as N]	rolling average	≤ 2.7 mg/L	Aug	001
Nitrogen, ammonia total [as N]	rolling average	≤ 2.5 mg/L	Sep	001
Nitrogen, ammonia total [as N]	rolling average	≤ 4.6 mg/L	Nov	001
Nitrogen, ammonia total [as N]	rolling average	≤ 4.6 mg/L	Feb	001
Nitrogen, ammonia total [as N]	rolling average	≤ 4.6 mg/L	Dec	001
Nitrogen, ammonia total [as N]	rolling average	≤ 4.7 mg/L	Mar	001
Cyanide, weak acid, dissociable	30-day average	report only (ug/L)	Jun, Dec	001
Cyanide, weak acid, dissociable	daily maximum	report only (ug/L)	Jun, Dec	001
Cyanide, total [as CN]	annual average	report only (ug/L)	all year	001
Cyanide, total [as CN]	daily maximum	report only (ug/L)	all year	001
Chloride [as Cl]	30-day average	report only (mg/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Chloride [as Cl]	30-day average	report only (mg/L)	Mar–Jun	001
Arsenic, total recoverable	30-day average	report only (ug/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Arsenic, total recoverable	30-day average	report only (ug/L)	Mar–Jun	001
Iron, total recoverable	30-day average	report only (ug/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Iron, total recoverable	30-day average	report only (ug/L)	Mar–Jun	001
Arsenic, total [as As]	annual average	report only (ug/L)	all year	001
Arsenic, total [as As]	daily maximum	report only (ug/L)	all year	001
Cadmium, total [as Cd]	annual average	report only (ug/L)	all year	001
Cadmium, total [as Cd]	daily maximum	report only (ug/L)	all year	001
Chromium, total [as Cr]	annual average	report only (ug/L)	all year	001
Chromium, total [as Cr]	daily maximum	report only (ug/L)	all year	001
Copper, total [as Cu]	annual average	report only (ug/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	001
Iron, dissolved [as Fe]	30-day average	≤ 460 ug/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Iron, dissolved [as Fe]	30-day average	≤ 300 ug/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Iron, dissolved [as Fe]	30-day average	≤ 460 ug/L	Mar–Jun	001
Iron, dissolved [as Fe]	30-day average	≤ 300 ug/L	Mar–Jun	001
Lead, total [as Pb]	annual average	report only (ug/L)	all year	001
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	001
Molybdenum, total [as Mo]	annual average	report only (ug/L)	all year	001
Molybdenum, total [as Mo]	daily maximum	report only (ug/L)	all year	001
Nickel, total [as Ni]	annual average	report only (ug/L)	all year	001
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	001
Silver, total [as Ag]	annual average	report only (ug/L)	all year	001
Silver, total [as Ag]	daily maximum	report only (ug/L)	all year	001
Zinc, total [as Zn]	annual average	report only (ug/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	001
Chromium, total recoverable	30-day average	report only (ug/L)	Jun, Dec	001
Chromium, total recoverable	daily maximum	report only (ug/L)	Jun, Dec	001
Chromium, total recoverable	rolling average	report only (ug/L)	Jun, Dec	001
Molybdenum, total recoverable	30-day average	report only (ug/L)	Jun, Dec	001
Molybdenum, total recoverable	daily maximum	report only (ug/L)	Jun, Dec	001
Selenium, total [as Se]	annual average	report only (ug/L)	all year	001
Selenium, total [as Se]	daily maximum	report only (ug/L)	all year	001
Zinc, potentially dissolved	30-day average	report only (ug/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Zinc, potentially dissolved	30-day average	report only (ug/L)	Mar–Jun	001
Zinc, potentially dissolved	daily maximum	report only (ug/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Zinc, potentially dissolved	daily maximum	report only (ug/L)	Mar–Jun	001
Zinc, potentially dissolved	rolling average	report only (ug/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Zinc, potentially dissolved	rolling average	report only (mg/L)	Mar–Jun	001
Silver, potentially dissolved	30-day average	report only (ug/L)	Mar, Jun, Sep, Dec	001
Silver, potentially dissolved	daily maximum	report only (ug/L)	Mar, Jun, Sep, Dec	001
Copper, potentially dissolved	30-day average	≤ 31 ug/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Copper, potentially dissolved	30-day average	≤ 37 ug/L	Mar–Jun	001
Copper, potentially dissolved	30-day average	≤ 31 ug/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Copper, potentially dissolved	daily maximum	≤ 31 ug/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Copper, potentially dissolved	daily maximum	≤ 33 ug/L	Mar–Jun	001
Copper, potentially dissolved	daily maximum	≤ 28 ug/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Cadmium, potentially dissolvd	30-day average	report only (ug/L)	Jun, Dec	001
Cadmium, potentially dissolvd	daily maximum	report only (ug/L)	Jun, Dec	001
Cadmium, potentially dissolvd	rolling average	report only (ug/L)	Jun, Dec	001
Lead, potentially dissolvd	30-day average	report only (ug/L)	Jun, Dec	001
Lead, potentially dissolvd	daily maximum	report only (ug/L)	Jun, Dec	001
Lead, potentially dissolvd	rolling average	report only (ug/L)	Jun, Dec	001
Manganese, potentially dissolvd	30-day average	≤ 202 ug/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Manganese, potentially dissolvd	30-day average	≤ 185 ug/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Manganese, potentially dissolvd	30-day average	≤ 202 ug/L	Mar, Jun	001
Manganese, potentially dissolvd	30-day average	≤ 156 ug/L	Mar, Jun	001
Manganese, potentially dissolvd	daily maximum	report only (ug/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Manganese, potentially dissolvd	daily maximum	report only (ug/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Manganese, potentially dissolvd	daily maximum	report only (ug/L)	Mar, Jun	001
Manganese, potentially dissolvd	daily maximum	report only (ug/L)	Mar, Jun	001
Nickel, potentially dissolvd	30-day average	report only (ug/L)	Jun, Dec	001
Nickel, potentially dissolvd	daily maximum	report only (ug/L)	Jun, Dec	001
Nickel, potentially dissolvd	rolling average	report only (ug/L)	Jun, Dec	001
Selenium, potentially dissolvd	30-day average	report only (ug/L)	Jun, Dec	001
Selenium, potentially dissolvd	daily maximum	report only (ug/L)	Jun, Dec	001
Selenium, potentially dissolvd	rolling average	report only (ug/L)	Jun, Dec	001
Oil and grease	instantaneous maximum	≤ 10 mg/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Oil and grease	instantaneous maximum	≤ 10 mg/L	Mar–Jun	001
Total phenols	annual average	report only (ug/L)	all year	001
Total phenols	daily maximum	report only (ug/L)	all year	001
Flow, in conduit or thru treatment plant	30-day average	≤ 5 MGD	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Flow, in conduit or thru treatment plant	30-day average	≤ 7.5 MGD	Mar–Jun	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	Mar–Jun	001
Chlorine, total residual	30-day average	≤ .016 mg/L	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Chlorine, total residual	30-day average	≤ .016 mg/L	Mar–Jun	001
Mercury, total [low level]	30-day average	≤ .2 ug/L	Mar, Jun, Sep, Dec	001
Mercury, total [low level]	30-day average	≤ .082 ug/L	Sep, Dec	001
Mercury, total [low level]	30-day average	≤ .057 ug/L	Mar, Jun	001
E. coli	30-day geometric mean	≤ 372 #/100mL	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
E. coli	30-day geometric mean	≤ 372 #/100mL	Mar–Jun	001
E. coli	maximum 7-day geometric mean	≤ 1334 #/100mL	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
E. coli	maximum 7-day geometric mean	≤ 1334 #/100mL	Mar–Jun	001
Sulfide-hydrogen sulfide [undissociated]	30-day average	report only (mg/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Sulfide-hydrogen sulfide [undissociated]	30-day average	report only (mg/L)	Mar–Jun	001
Perfluorooctanoic acid (PFOA)	30-day average	report only (ng/L)	all year	001
Perfluorooctanoic acid (PFOA)	daily maximum	report only (ng/L)	all year	001
Perfluorobutanoic acid (PFBA)	30-day average	report only (ng/L)	all year	001
Perfluorobutanoic acid (PFBA)	daily maximum	report only (ng/L)	all year	001
Perfluorooctanesulfonamide (PFOSA)	30-day average	report only (ng/L)	all year	001
Perfluorooctanesulfonamide (PFOSA)	daily maximum	report only (ng/L)	all year	001
Nonylphenol	30-day average	report only (ug/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Nonylphenol	30-day average	report only (ug/L)	Mar–Jun	001
Nonylphenol	daily maximum	report only (ug/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Nonylphenol	daily maximum	report only (ug/L)	Mar–Jun	001
Perfluoropentanoic acid (PFPeA)	30-day average	report only (ng/L)	all year	001
Perfluoropentanoic acid (PFPeA)	daily maximum	report only (ng/L)	all year	001
Perfluorohexanoic acid (PFHxA)	30-day average	report only (ng/L)	all year	001
Perfluorohexanoic acid (PFHxA)	daily maximum	report only (ng/L)	all year	001
Perfluoroheptanoic acid (PFHpA)	30-day average	report only (ng/L)	all year	001
Perfluoroheptanoic acid (PFHpA)	daily maximum	report only (ng/L)	all year	001
Perfluorononanoic acid (PFNA)	30-day average	report only (ng/L)	all year	001
Perfluorononanoic acid (PFNA)	daily maximum	report only (ng/L)	all year	001
Perfluorodecanoic acid (PFDA)	30-day average	report only (ng/L)	all year	001
Perfluorodecanoic acid (PFDA)	daily maximum	report only (ng/L)	all year	001
Perfluoroundecanoic acid (PFUnA)	30-day average	report only (ng/L)	all year	001
Perfluoroundecanoic acid (PFUnA)	daily maximum	report only (ng/L)	all year	001
Perfluorododecanoic acid (PFDoA)	30-day average	report only (ng/L)	all year	001
Perfluorododecanoic acid (PFDoA)	daily maximum	report only (ng/L)	all year	001
Perfluorotridecanoic acid (PFTrDA)	30-day average	report only (ng/L)	all year	001
Perfluorotridecanoic acid (PFTrDA)	daily maximum	report only (ng/L)	all year	001
Perfluorotetradecanoic acid (PFTeDA)	30-day average	report only (ng/L)	all year	001
Perfluorotetradecanoic acid (PFTeDA)	daily maximum	report only (ng/L)	all year	001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	30-day average	report only (ng/L)	all year	001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	daily maximum	report only (ng/L)	all year	001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	30-day average	report only (ng/L)	all year	001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	daily maximum	report only (ng/L)	all year	001
Perfluorobutanesulfonic acid (PFBS)	30-day average	report only (ng/L)	all year	001
Perfluorobutanesulfonic acid (PFBS)	daily maximum	report only (ng/L)	all year	001
Perfluorodecanesulfonic acid (PFDS)	30-day average	report only (ng/L)	all year	001
Perfluorodecanesulfonic acid (PFDS)	daily maximum	report only (ng/L)	all year	001
Perfluoroheptanesulfonic acid (PFHpS)	30-day average	report only (ng/L)	all year	001
Perfluoroheptanesulfonic acid (PFHpS)	daily maximum	report only (ng/L)	all year	001
Perfluorohexanesulfonic acid (PFHxS)	30-day average	report only (ng/L)	all year	001
Perfluorohexanesulfonic acid (PFHxS)	daily maximum	report only (ng/L)	all year	001
Perfluorooctanesulfonic acid (PFOS)	30-day average	report only (ng/L)	all year	001
Perfluorooctanesulfonic acid (PFOS)	daily maximum	report only (ng/L)	all year	001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	30-day average	report only (ng/L)	all year	001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	daily maximum	report only (ng/L)	all year	001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	30-day average	report only (ng/L)	all year	001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	daily maximum	report only (ng/L)	all year	001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	30-day average	report only (ng/L)	all year	001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	daily maximum	report only (ng/L)	all year	001
Perfluoropentanesulfonic acid (PFPeS)	30-day average	report only (ng/L)	all year	001
Perfluoropentanesulfonic acid (PFPeS)	daily maximum	report only (ng/L)	all year	001
Perfluorononanesulfonic acid (PFNS)	30-day average	report only (ng/L)	all year	001
Perfluorononanesulfonic acid (PFNS)	daily maximum	report only (ng/L)	all year	001
Hexafluoropropylene oxide dimer acid (HFPO-DA)	30-day average	report only (ng/L)	all year	001
Hexafluoropropylene oxide dimer acid (HFPO-DA)	daily maximum	report only (ng/L)	all year	001
Solids, total dissolved	30-day average	report only (mg/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Solids, total dissolved	30-day average	report only (mg/L)	Mar–Jun	001
Solids, total dissolved	daily maximum	report only (mg/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Solids, total dissolved	daily maximum	report only (mg/L)	Mar–Jun	001
Mercury, total [as Hg]	30-day average	report only (ug/L)	Sep, Dec	001
Mercury, total [as Hg]	annual average	report only (ug/L)	all year	001
Mercury, total [as Hg]	daily maximum	report only (ug/L)	Sep, Dec	001
Mercury, total [as Hg]	daily maximum	report only (ug/L)	all year	001
BOD, 5-day, percent removal	monthly average minimum	≥ 85 %	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
BOD, 5-day, percent removal	monthly average minimum	≥ 85 %	Mar–Jun	001
Solids, suspended percent removal	monthly average minimum	≥ 85 %	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Solids, suspended percent removal	monthly average minimum	≥ 85 %	Mar–Jun	001
Sulfate	30-day average	report only (mg/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Sulfate	30-day average	report only (mg/L)	Mar–Jun	001
Boron, total	30-day average	report only (mg/L)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Boron, total	30-day average	report only (mg/L)	Mar–Jun	001
Oil and grease visual	instantaneous maximum	report only (abst=0;prst=1)	Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec	001
Oil and grease visual	instantaneous maximum	report only (abst=0;prst=1)	Mar–Jun	001
PFAS Sum	30-day average	report only (ng/L)	all year	001
PFAS Sum	daily maximum	report only (ng/L)	all year	001
Static Renewal 7 Day Chronic Ceriodaphnia dubia	single sample	report only (tox chronic)	all year	001
Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum value	report only (tox chronic)	all year	001
Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum value	≥ 12 tox chronic	Sep, Dec	001
Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum value	≥ 18 tox chronic	Mar, Jun	001
Static Renewal 7 Day Chronic Pimephales promelas	single sample	report only (tox chronic)	all year	001
Static Renewal 7 Day Chronic Pimephales promelas	minimum value	report only (tox chronic)	all year	001
Static Renewal 7 Day Chronic Pimephales promelas	minimum value	≥ 12 tox chronic	Sep, Dec	001
Static Renewal 7 Day Chronic Pimephales promelas	minimum value	≥ 18 tox chronic	Mar, Jun	001
Solids, total dissolved	30-day average	report only (mg/L)	all year	100
Solids, total dissolved	daily maximum	report only (mg/L)	all year	100
Plant capacity fact. percent of capacity	30-day average	report only (%)	all year	300
Plant capacity fact. percent of capacity	30-day average	report only (%)	all year	300
BOD, 5-day, 20 deg. C	30-day average	report only (mg/L)	all year	300
BOD, 5-day, 20 deg. C	maximum 7-day average	report only (mg/L)	all year	300
BOD, 5-day, 20 deg. C	30-day average	report only (lb/d)	all year	300
BOD, 5-day, 20 deg. C	maximum 7-day average	report only (lb/d)	all year	300
Solids, total suspended	30-day average	report only (mg/L)	all year	300
Solids, total suspended	maximum 7-day average	report only (mg/L)	all year	300
Flow, in conduit or thru treatment plant	30-day average	report only (MGD)	all year	300
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	300

How strict are these limits?

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