GREENFIELD TWP SEW AUTH
NPDES ID: PA0061671
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
April 30, 2026
Copper, total [as Cu]
19% over limit
Discharged 0.0225 mg/L against a permitted limit of 0.0189 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
25% over limit
Discharged 0.0162 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
36% over limit
Discharged 0.01362 kg/d against a permitted limit of 0.009988 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total [as Cu]
25% over limit
Discharged 0.0162 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total [as Cu]
1% over limit
Discharged 0.0191 mg/L against a permitted limit of 0.0189 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
36% over limit
Discharged 0.0177 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total [as Cu]
12% over limit
Discharged 0.01455 mg/L against a permitted limit of 0.013 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Coliform, fecal general
12% over limit
Discharged 1119.9 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
28% over limit
Discharged 30.41799974 kg/d against a permitted limit of 23.8349998 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 48 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, suspended percent removal
13% over limit
Discharged 83 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
52% over limit
Discharged 68.5 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
58% over limit
Discharged 47.4 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
287% over limit
Discharged 174 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
101% over limit
Discharged 80.5 mg/L against a permitted limit of 40 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
184% over limit
Discharged 60.24579949 kg/d against a permitted limit of 21.20179982 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
2601% over limit
Discharged 643.68119459 kg/d against a permitted limit of 23.8349998 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, suspended percent removal
27% over limit
Discharged 81.01 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
38% over limit
Discharged 41.3 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
100% over limit
Discharged 69.95 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
81% over limit
Discharged 81.4 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
33% over limit
Discharged 39.9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
172% over limit
Discharged 59.26 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
77% over limit
Discharged 42.26739964 kg/d against a permitted limit of 23.8349998 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
62% over limit
Discharged 73 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Coliform, fecal general
946% over limit
Discharged 104620 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
August 31, 2024
Oxygen, dissolved [DO]
1% over limit
Discharged 5.94 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Coliform, fecal general
142% over limit
Discharged 2419.6 MPN/100mL against a permitted limit of 1000 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (7 hours ago)