Eagle Town of — NPDES permit CO0048241: limits, due date and EPA's record

Sewage treatment plant, major discharger, Eagle County, Colorado. NPDES permit CO0048241 expired Feb 28, 2026; its limits still apply. Last 12 months: over a limit 23 times (last August 2026), 6 required values missing, 4 of 40 reports late. Source: EPA ECHO, Oct 22, 2026.

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

Limits in force (169)

Period ending	Parameter	Reported	Limit	Over by
October 2025	Nitrogen, inorganic total, daily maximum	21.219 mg/L	≤ 12 mg/L	77%
October 2025	Nitrogen, nitrite total [as N], daily maximum	.715 mg/L	≤ .05 mg/L	1330%
November 2025	Nitrogen, inorganic total, daily maximum	23.787 mg/L	≤ 12 mg/L	98%
November 2025	Nitrogen, nitrite total [as N], daily maximum	.548 mg/L	≤ .05 mg/L	996%
December 2025	Nitrogen, inorganic total, daily maximum	26.342 mg/L	≤ 12 mg/L	120%
December 2025	Nitrogen, nitrite total [as N], daily maximum	1.66 mg/L	≤ .05 mg/L	3220%
January 2026	Nitrogen, inorganic total, daily maximum	23.34 mg/L	≤ 12 mg/L	95%
January 2026	Nitrogen, nitrite total [as N], daily maximum	3.96 mg/L	≤ .05 mg/L	7820%
February 2026	Nitrogen, inorganic total, daily maximum	23.81 mg/L	≤ 12 mg/L	98%
February 2026	Nitrogen, nitrite total [as N], daily maximum	2.65 mg/L	≤ .05 mg/L	5200%
March 2026	Nitrogen, inorganic total, daily maximum	25.18 mg/L	≤ 12 mg/L	110%
March 2026	Nitrogen, nitrite total [as N], daily maximum	1.85 mg/L	≤ .05 mg/L	3600%
April 2026	Nitrogen, inorganic total, daily maximum	25.82 mg/L	≤ 12 mg/L	115%
April 2026	Nitrogen, nitrite total [as N], daily maximum	.906 mg/L	≤ .05 mg/L	1712%
May 2026	Nitrogen, inorganic total, daily maximum	28.03 mg/L	≤ 12 mg/L	134%
May 2026	Nitrogen, nitrite total [as N], daily maximum	1.18 mg/L	≤ .05 mg/L	2260%
June 2026	Cyanide, weak acid, dissociable, rolling average	8.6 ug/L	≤ 4.2 ug/L	105%
June 2026	Nitrogen, inorganic total, daily maximum	22.4 mg/L	≤ 12 mg/L	87%
June 2026	Nitrogen, nitrite total [as N], daily maximum	.643 mg/L	≤ .05 mg/L	1186%
July 2026	Nitrogen, inorganic total, daily maximum	26.02 mg/L	≤ 12 mg/L	117%
July 2026	Nitrogen, nitrite total [as N], daily maximum	.184 mg/L	≤ .05 mg/L	268%
August 2026	Nitrogen, inorganic total, daily maximum	22.89 mg/L	≤ 12 mg/L	91%
August 2026	Nitrogen, nitrite total [as N], daily maximum	.266 mg/L	≤ .05 mg/L	432%

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. centigrade	maximum weekly average	report only (deg C)	all year	001
Temperature, water deg. centigrade	daily maximum	report only (deg C)	all year	001
BOD, 5-day, 20 deg. C	30-day average	≤ 30 mg/L	all year	001
BOD, 5-day, 20 deg. C	maximum 7-day average	≤ 45 mg/L	all year	001
pH	minimum	≥ 6.5 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
Solids, total suspended	30-day average	≤ 30 mg/L	all year	001
Solids, total suspended	maximum 7-day average	≤ 45 mg/L	all year	001
Nitrogen, ammonia total [as N]	30-day average	≤ 39 mg/L	Apr	001
Nitrogen, ammonia total [as N]	30-day average	≤ 26 mg/L	Feb	001
Nitrogen, ammonia total [as N]	30-day average	≤ 29 mg/L	Jan	001
Nitrogen, ammonia total [as N]	30-day average	≤ 15 mg/L	May	001
Nitrogen, ammonia total [as N]	30-day average	≤ 19 mg/L	Jul	001
Nitrogen, ammonia total [as N]	30-day average	≤ 16 mg/L	Jun	001
Nitrogen, ammonia total [as N]	30-day average	≤ 14 mg/L	Aug	001
Nitrogen, ammonia total [as N]	30-day average	≤ 26 mg/L	Dec	001
Nitrogen, ammonia total [as N]	30-day average	≤ 31 mg/L	Mar	001
Nitrogen, ammonia total [as N]	30-day average	≤ 11 mg/L	Sep	001
Nitrogen, ammonia total [as N]	30-day average	≤ 10 mg/L	Oct	001
Nitrogen, ammonia total [as N]	30-day average	≤ 30 mg/L	Nov	001
Nitrogen, ammonia total [as N]	30-day average	≤ 10 mg/L	Oct	001
Nitrogen, ammonia total [as N]	30-day average	≤ 6.8 mg/L	Feb	001
Nitrogen, ammonia total [as N]	30-day average	≤ 8.2 mg/L	Mar	001
Nitrogen, ammonia total [as N]	30-day average	≤ 9.3 mg/L	Apr	001
Nitrogen, ammonia total [as N]	30-day average	≤ 15 mg/L	May	001
Nitrogen, ammonia total [as N]	30-day average	≤ 16 mg/L	Jun	001
Nitrogen, ammonia total [as N]	30-day average	≤ 19 mg/L	Jul	001
Nitrogen, ammonia total [as N]	30-day average	≤ 14 mg/L	Aug	001
Nitrogen, ammonia total [as N]	30-day average	≤ 11 mg/L	Sep	001
Nitrogen, ammonia total [as N]	30-day average	≤ 7.3 mg/L	Nov	001
Nitrogen, ammonia total [as N]	30-day average	≤ 6.6 mg/L	Dec	001
Nitrogen, ammonia total [as N]	30-day average	≤ .98 mg/L	Jan	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 47 mg/L	Apr	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 25 mg/L	Feb	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 34 mg/L	Jan	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 30 mg/L	May	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 53 mg/L	Jul	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 36 mg/L	Jun	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 53 mg/L	Aug	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 28 mg/L	Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 38 mg/L	Mar	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 25 mg/L	Sep	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 18 mg/L	Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 31 mg/L	Nov	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 18 mg/L	Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 12 mg/L	Feb	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 13 mg/L	Mar	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 17 mg/L	Apr	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 30 mg/L	May	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 36 mg/L	Jun	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 53 mg/L	Jul	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 53 mg/L	Aug	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 25 mg/L	Sep	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 13 mg/L	Nov	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 10 mg/L	Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 10 mg/L	Jan	001
Nitrogen, ammonia total [as N]	rolling average	≤ 8 mg/L	Feb	001
Nitrogen, ammonia total [as N]	rolling average	≤ 7 mg/L	Mar	001
Nitrogen, ammonia total [as N]	rolling average	≤ 14 mg/L	Apr	001
Nitrogen, ammonia total [as N]	rolling average	≤ 20 mg/L	May	001
Nitrogen, ammonia total [as N]	rolling average	≤ 10 mg/L	Jun	001
Nitrogen, ammonia total [as N]	rolling average	≤ 12 mg/L	Jul	001
Nitrogen, ammonia total [as N]	rolling average	≤ 20 mg/L	Aug	001
Nitrogen, ammonia total [as N]	rolling average	≤ 18 mg/L	Sep	001
Nitrogen, ammonia total [as N]	rolling average	≤ 11 mg/L	Oct	001
Nitrogen, ammonia total [as N]	rolling average	≤ 9 mg/L	Dec	001
Nitrogen, ammonia total [as N]	rolling average	≤ 11 mg/L	Nov	001
Nitrogen, nitrite total [as N]	daily maximum	≤ 17 mg/L	all year	001
Nitrogen, nitrite total [as N]	daily maximum	≤ .05 mg/L	all year	001
Nitrogen, inorganic total	daily maximum	≤ 18 mg/L	all year	001
Nitrogen, inorganic total	daily maximum	≤ 12 mg/L	all year	001
Cyanide, weak acid, dissociable	daily maximum	report only (ug/L)	all year	001
Cyanide, weak acid, dissociable	rolling average	≤ 17 ug/L	all year	001
Cyanide, weak acid, dissociable	rolling average	≤ 4.2 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)	all year	001
Arsenic, total recoverable	30-day average	≤ 2.4 ug/L	all year	001
Iron, total recoverable	30-day average	report only (ug/L)	all year	001
Iron, total recoverable	rolling 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]	daily maximum	report only (ug/L)	all year	001
Chromium, total [as Cr]	daily maximum	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	report only (ug/L)	all year	001
Iron, dissolved [as Fe]	rolling average	report only (ug/L)	all year	001
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	001
Manganese, dissolved [as Mn]	30-day average	report only (ug/L)	all year	001
Manganese, dissolved [as Mn]	daily maximum	report only (ug/L)	all year	001
Molybdenum, total [as Mo]	daily maximum	report only (ug/L)	all year	001
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	001
Nickel, total recoverable	30-day 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]	daily maximum	report only (ug/L)	all year	001
Cadmium, total recoverable	daily maximum	report only (ug/L)	all year	001
Lead, total recoverable	daily maximum	report only (ug/L)	all year	001
Molybdenum, total recoverable	30-day average	report only (ug/L)	all year	001
Selenium, total [as Se]	daily maximum	report only (ug/L)	all year	001
Chromium, hexavalent dissolved [as Cr]	30-day average	report only (ug/L)	all year	001
Chromium, hexavalent dissolved [as Cr]	daily maximum	report only (ug/L)	all year	001
Chromium, hexavalent dissolved [as Cr]	rolling average	report only (ug/L)	all year	001
Zinc, potentially dissolved	30-day average	report only (ug/L)	all year	001
Zinc, potentially dissolved	daily maximum	report only (ug/L)	all year	001
Zinc, potentially dissolved	rolling average	report only (ug/L)	all year	001
Silver, potentially dissolved	30-day average	report only (ug/L)	all year	001
Silver, potentially dissolved	daily maximum	report only (ug/L)	all year	001
Silver, potentially dissolved	rolling average	report only (ug/L)	all year	001
Copper, potentially dissolved	30-day average	report only (ug/L)	all year	001
Copper, potentially dissolved	daily maximum	report only (ug/L)	all year	001
Copper, potentially dissolved	rolling average	report only (ug/L)	all year	001
Arsenic, potentially dissolved	daily maximum	report only (ug/L)	all year	001
Arsenic, potentially dissolved	rolling average	report only (ug/L)	all year	001
Cadmium, potentially dissolvd	30-day average	report only (ug/L)	all year	001
Cadmium, potentially dissolvd	daily maximum	report only (ug/L)	all year	001
Cadmium, potentially dissolvd	rolling average	report only (ug/L)	all year	001
Chromium, trivalent, potentially dissolvd	30-day average	report only (ug/L)	all year	001
Lead, potentially dissolvd	30-day average	report only (ug/L)	all year	001
Lead, potentially dissolvd	daily maximum	report only (ug/L)	all year	001
Lead, potentially dissolvd	rolling average	report only (ug/L)	all year	001
Manganese, potentially dissolvd	30-day average	report only (ug/L)	all year	001
Manganese, potentially dissolvd	daily maximum	report only (ug/L)	all year	001
Manganese, potentially dissolvd	rolling average	report only (ug/L)	all year	001
Nickel, potentially dissolvd	30-day average	report only (ug/L)	all year	001
Nickel, potentially dissolvd	daily maximum	report only (ug/L)	all year	001
Selenium, potentially dissolvd	30-day average	report only (ug/L)	all year	001
Selenium, potentially dissolvd	daily maximum	report only (ug/L)	all year	001
Selenium, potentially dissolvd	rolling average	report only (ug/L)	all year	001
Uranium, potentially dissolvd	30-day average	report only (ug/L)	all year	001
Uranium, potentially dissolvd	daily maximum	report only (ug/L)	all year	001
Oil and grease	instantaneous maximum	≤ 10 mg/L	all year	001
Total phenols	daily maximum	report only (ug/L)	all year	001
Chromium, trivalent total recoverable	daily maximum	report only (ug/L)	all year	001
Chromium, trivalent total recoverable	rolling average	report only (ug/L)	all year	001
Uranium, total	30-day average	report only (ug/L)	all year	001
Flow, in conduit or thru treatment plant	30-day average	≤ 1.65 MGD	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Chlorine, total residual	30-day arithmetic mean	≤ .079 mg/L	all year	001
Chlorine, total residual	instantaneous maximum	≤ .11 mg/L	all year	001
Mercury, total [low level]	30-day average	≤ 82 ug/L	all year	001
Mercury, total [low level]	30-day average	≤ .072 ug/L	all year	001
Mercury, total [low level]	rolling average	≤ 10 ug/L	all year	001
Mercury, total [low level]	rolling average	≤ .011 ug/L	all year	001
Acrylamide	30-day average	≤ .16 ug/L	all year	001
E. coli	30-day average	≤ 733 #/100mL	all year	001
E. coli	maximum 7-day average	≤ 1466 #/100mL	all year	001
Nonylphenol	30-day average	report only (ug/L)	all year	001
Nonylphenol	daily maximum	report only (ug/L)	all year	001
Solids, total dissolved	30-day average	report only (mg/L)	all year	001
Solids, total dissolved	30-day average	report only (mg/L)	all year	001
Mercury, total [as Hg]	daily maximum	report only (ug/L)	all year	001
BOD, 5-day, percent removal	monthly average minimum	≥ 85 %	all year	001
Solids, suspended percent removal	monthly average minimum	≥ 85 %	all year	001
Sulfate	30-day average	report only (mg/L)	all year	001
Hydrocarbons, total petroleum	30-day average	report only (ug/L)	all year	001
Hydrocarbons, total petroleum	daily maximum	report only (ug/L)	all year	001
Oil and grease visual	instantaneous maximum	report only (abst=0;prst=1)	all year	001
LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia	minimum value	≥ 100 %	all year	001
LC50 Static Renewal 96Hr Acute Pimephales promelas	minimum value	≥ 100 %	all year	001
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
Temperature, water deg. centigrade	maximum weekly average	report only (deg C)	all year	UST1
Temperature, water deg. centigrade	daily maximum	report only (deg C)	all year	UST1

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/CO0048241 · MCP: https://passage-data.com/mcp