SPRINGFIELD STP
NPDES ID: KY0020907
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: 3 effluent violations.
Violations
May 31, 2026
E. coli
28% over limit
Discharged 308 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
April 30, 2026
Copper, total recoverable
43% over limit
Discharged 0.02 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
6% over limit
Discharged 0.0099 mg/L against a permitted limit of 0.00933 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total recoverable
17% over limit
Discharged 0.0109 mg/L against a permitted limit of 0.00933 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
7% over limit
Discharged 0.015 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total recoverable
179% over limit
Discharged 0.026 mg/L against a permitted limit of 0.00933 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
150% over limit
Discharged 0.035 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total recoverable
614% over limit
Discharged 0.1 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
361% over limit
Discharged 0.043 mg/L against a permitted limit of 0.00933 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
9% over limit
Discharged 261 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total recoverable
59% over limit
Discharged 0.0148 mg/L against a permitted limit of 0.00933 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
100% over limit
Discharged 0.028 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total recoverable
307% over limit
Discharged 0.038 mg/L against a permitted limit of 0.00933 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
307% over limit
Discharged 0.057 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
286% over limit
Discharged 0.036 mg/L against a permitted limit of 0.00933 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
307% over limit
Discharged 0.057 mg/L against a permitted limit of 0.014 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
E. coli
203% over limit
Discharged 727 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total suspended
7% over limit
Discharged 48 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
E. coli
119% over limit
Discharged 525 MPN/100mL against a permitted limit of 240 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
September 30, 2024
Toxicity, final conc toxicity units
40% over limit
Discharged 1.4 toxic against a permitted limit of 1 toxic (MAXIMUM)
DMR, Limited - Numeric Violation
July 31, 2024
Solids, total suspended
4% over limit
Discharged 156.17599869 kg/d against a permitted limit of 149.93803874 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)