CITY OF FARMINGTON
NPDES ID: NM0020583
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 2 single-event violations.
Violations
February 28, 2026
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas
0% over limit
Discharged 0 % against a permitted limit of 0 % (VALUE)
DMR, Monitor Only - Overdue
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (VALUE)
DMR, Monitor Only - Overdue
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex
0% over limit
Discharged 31 % against a permitted limit of 0 % (VALUE)
DMR, Monitor Only - Overdue
Coef Of Var Static Renewal 48Hr Acute D. pulex
0% over limit
Discharged 10.53 % against a permitted limit of 0 % (VALUE)
DMR, Monitor Only - Overdue
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (VALUE)
DMR, Monitor Only - Overdue
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas
0% over limit
Discharged 31 % against a permitted limit of 0 % (VALUE)
DMR, Monitor Only - Overdue
January 31, 2026
BOD, 5-day, 20 deg. C
Limit violation
Discharged 4 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 76.72599936 kg/d against a permitted limit of 1136.81599045 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 87.16799927 kg/d against a permitted limit of 757.72599363 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 5 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Pentachlorophenol
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (7 DA AVG)
DMR, Monitor Only - Overdue
Toxaphene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (7 DA AVG)
DMR, Monitor Only - Overdue
Aldrin
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (7 DA AVG)
DMR, Monitor Only - Overdue
Chlordane [tech mix. and metabolites]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (7 DA AVG)
DMR, Monitor Only - Overdue
August 31, 2025
E. coli
37% over limit
Discharged 43688000000 CFU/d against a permitted limit of 31900000000 CFU/d (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, 5-day, 20 deg. C
Limit violation
Discharged 9 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
89% over limit
Discharged 0.70188399 kg/d against a permitted limit of 0.370918 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
116% over limit
Discharged 0.0317 mg/L against a permitted limit of 0.01467 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 213.37999821 kg/d against a permitted limit of 1136.81599045 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 7 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
168% over limit
Discharged 0.059 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 166.1639986 kg/d against a permitted limit of 757.72599363 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
135% over limit
Discharged 1.30706599 kg/d against a permitted limit of 0.55615 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
BOD, 5-day, 20 deg. C
Limit violation
Discharged 8 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 139.37799883 kg/d against a permitted limit of 757.72599363 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 172.51999855 kg/d against a permitted limit of 1136.81599045 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
E. coli
502% over limit
Discharged 1414 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
746% over limit
Discharged 270020000000 CFU/d against a permitted limit of 31900000000 CFU/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
Limit violation
Discharged 7 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Cyanide, total [as CN]
210% over limit
Discharged 0.0455 mg/L against a permitted limit of 0.01467 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
127% over limit
Discharged 0.05 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
42% over limit
Discharged 0.79132199 kg/d against a permitted limit of 0.55615 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
97% over limit
Discharged 0.72957799 kg/d against a permitted limit of 0.370918 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Cyanide, total [as CN]
214% over limit
Discharged 0.046 mg/L against a permitted limit of 0.01467 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
93% over limit
Discharged 0.71595799 kg/d against a permitted limit of 0.370918 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
132% over limit
Discharged 0.051 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
42% over limit
Discharged 0.78768999 kg/d against a permitted limit of 0.55615 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Cyanide, total [as CN]
177% over limit
Discharged 0.061 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
93% over limit
Discharged 0.71414199 kg/d against a permitted limit of 0.370918 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
41% over limit
Discharged 0.78541999 kg/d against a permitted limit of 0.55615 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
302% over limit
Discharged 0.059 mg/L against a permitted limit of 0.01467 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Cyanide, total [as CN]
179% over limit
Discharged 0.041 mg/L against a permitted limit of 0.01467 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
118% over limit
Discharged 0.048 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
66% over limit
Discharged 0.61653199 kg/d against a permitted limit of 0.370918 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Cyanide, total [as CN]
31% over limit
Discharged 0.73048599 kg/d against a permitted limit of 0.55615 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)