EAST UNION TWP AUTH
NPDES ID: PA0062537
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Solids, total suspended
12% over limit
Discharged 50.3 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
30% over limit
Discharged 52.1 mg/L against a permitted limit of 40 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
670% over limit
Discharged 77000 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
35% over limit
Discharged 18.38699985 kg/d against a permitted limit of 13.61999989 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
35% over limit
Discharged 17.4 mg/L against a permitted limit of 12.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
61% over limit
Discharged 40.2 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
26% over limit
Discharged 10.26039991 kg/d against a permitted limit of 8.17199993 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
68% over limit
Discharged 21.7 mg/L against a permitted limit of 12.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
40% over limit
Discharged 55.9 mg/L against a permitted limit of 40 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
26% over limit
Discharged 31.5 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 44.9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
500% over limit
Discharged 60000 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3% over limit
Discharged 13.3 mg/L against a permitted limit of 12.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
87% over limit
Discharged 84.3 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Coliform, fecal general
1780% over limit
Discharged 188000 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
4% over limit
Discharged 26 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
296% over limit
Discharged 51.1 mg/L against a permitted limit of 12.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
88% over limit
Discharged 75.2 mg/L against a permitted limit of 40 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Chlorine, total residual
69% over limit
Discharged 1 mg/L against a permitted limit of 0.59 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Chlorine, total residual
50% over limit
Discharged 0.27 mg/L against a permitted limit of 0.18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
100% over limit
Discharged 20000 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
36% over limit
Discharged 0.8 mg/L against a permitted limit of 0.59 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Chlorine, total residual
83% over limit
Discharged 0.33 mg/L against a permitted limit of 0.18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
23% over limit
Discharged 5.3 mg/L against a permitted limit of 4.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Coliform, fecal general
1900% over limit
Discharged 20000 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
153% over limit
Discharged 3.67739997 kg/d against a permitted limit of 1.45279999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
351% over limit
Discharged 19.4 mg/L against a permitted limit of 4.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
40% over limit
Discharged 6 mg/L against a permitted limit of 4.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Chlorine, total residual
178% over limit
Discharged 0.5 mg/L against a permitted limit of 0.18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
69% over limit
Discharged 1 mg/L against a permitted limit of 0.59 mg/L (INST MAX)
DMR, Limited - Numeric Violation
March 31, 2025
Chlorine, total residual
289% over limit
Discharged 0.7 mg/L against a permitted limit of 0.18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
103% over limit
Discharged 1.2 mg/L against a permitted limit of 0.59 mg/L (INST MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)