ANTONITO TOWN OF
NPDES ID: CO0040975
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 1 effluent violation, 1 compliance schedule violation.
Violations
May 31, 2026
Nitrogen, inorganic total
6% over limit
Discharged 10.61 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, inorganic total
30% over limit
Discharged 13 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, inorganic total
24% over limit
Discharged 12.39 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, inorganic total
30% over limit
Discharged 13 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, inorganic total
40% over limit
Discharged 14 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, inorganic total
66% over limit
Discharged 16.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, inorganic total
45% over limit
Discharged 14.52 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, inorganic total
35% over limit
Discharged 13.51 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, inorganic total
14% over limit
Discharged 11.39 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (MX WK AV)
DMR, Monitor Only - Overdue
Nitrogen, inorganic total
106% over limit
Discharged 20.61 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
April 30, 2025
Nitrogen, inorganic total
76% over limit
Discharged 17.55 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, inorganic total
29% over limit
Discharged 12.9 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, inorganic total
70% over limit
Discharged 17 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, inorganic total
1% over limit
Discharged 10.12 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, inorganic total
7% over limit
Discharged 10.65 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 5 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
October 31, 2024
Solids, total suspended
0% over limit
Discharged 24 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 24 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
September 30, 2024
Solids, total suspended
0% over limit
Discharged 4 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 4 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
August 31, 2024
Solids, total suspended
0% over limit
Discharged 5 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
July 31, 2024
Solids, total suspended
0% over limit
Discharged 9 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Nitrogen, inorganic total
21% over limit
Discharged 12.06 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 9 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)