CUMBERLAND TWP SOUTH STP
NPDES ID: PA0024147
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: 4 effluent violations.
Violations
May 31, 2026
Coliform, fecal general
12% over limit
Discharged 1120 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Coliform, fecal general
8% over limit
Discharged 215 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
173% over limit
Discharged 16.4 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
34% over limit
Discharged 19.52199984 kg/d against a permitted limit of 14.52799988 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
170% over limit
Discharged 16.2 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
84% over limit
Discharged 26.78599977 kg/d against a permitted limit of 14.52799988 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
549% over limit
Discharged 238.80399799 kg/d against a permitted limit of 36.77399969 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
1336% over limit
Discharged 528.00199556 kg/d against a permitted limit of 36.77399969 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
230% over limit
Discharged 80.81199932 kg/d against a permitted limit of 24.51599979 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
560% over limit
Discharged 66 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
199% over limit
Discharged 29900 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
2260% over limit
Discharged 354 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
78% over limit
Discharged 25.87799978 kg/d against a permitted limit of 14.52799988 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
583% over limit
Discharged 167.52599859 kg/d against a permitted limit of 24.51599979 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
272% over limit
Discharged 22.3 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
967% over limit
Discharged 160 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
1186% over limit
Discharged 128.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
850% over limit
Discharged 95 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 24200 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
232% over limit
Discharged 19.9 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
787% over limit
Discharged 133 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
179% over limit
Discharged 102.60399914 kg/d against a permitted limit of 36.77399969 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
955% over limit
Discharged 105.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
228% over limit
Discharged 80.35799932 kg/d against a permitted limit of 24.51599979 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 16.34399986 kg/d against a permitted limit of 14.52799988 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
900% over limit
Discharged 150 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
261% over limit
Discharged 88.52999926 kg/d against a permitted limit of 24.51599979 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
214% over limit
Discharged 115.31599903 kg/d against a permitted limit of 36.77399969 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
155% over limit
Discharged 15.3 mg/L against a permitted limit of 6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
42% over limit
Discharged 52.20999956 kg/d against a permitted limit of 36.77399969 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
200% over limit
Discharged 30 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
300% over limit
Discharged 60 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
24% over limit
Discharged 30.41799974 kg/d against a permitted limit of 24.51599979 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
17% over limit
Discharged 17.6 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
4% over limit
Discharged 10.4 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
90% over limit
Discharged 3.8 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
73% over limit
Discharged 1733 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
Coliform, fecal general
121% over limit
Discharged 442 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
45% over limit
Discharged 7.26399994 kg/d against a permitted limit of 4.99399996 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
360% over limit
Discharged 9.2 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Nitrogen, ammonia total [as N]
30% over limit
Discharged 2.6 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)