FARMERSBURG WASTEWATER TREATMENT PLANT
NPDES ID: IN0021148
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: 6 effluent violations, 9 single-event violations.
Violations
May 31, 2026
Solids, total suspended
51% over limit
Discharged 17.11579986 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
22% over limit
Discharged 18.33 mg/L against a permitted limit of 15 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
197% over limit
Discharged 50.62099957 kg/d against a permitted limit of 17.07039986 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
1367% over limit
Discharged 3448 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
E. coli, colony forming units [CFU]
4352% over limit
Discharged 10462 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
61% over limit
Discharged 2.421 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
168% over limit
Discharged 6.163 mg/L against a permitted limit of 2.3 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
46% over limit
Discharged 24.97907979 kg/d against a permitted limit of 17.07039986 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
74% over limit
Discharged 3.00003197 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
69% over limit
Discharged 4.43694196 kg/d against a permitted limit of 2.63319998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
3% over limit
Discharged 11.7041199 kg/d against a permitted limit of 11.3499999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
46% over limit
Discharged 2.193 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
11% over limit
Discharged 2.547 mg/L against a permitted limit of 2.3 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.72883199 kg/d against a permitted limit of 1.72519999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
12% over limit
Discharged 2.95172638 kg/d against a permitted limit of 2.63319998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
35% over limit
Discharged 3.1 mg/L against a permitted limit of 2.3 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
118% over limit
Discharged 3.48 mg/L against a permitted limit of 1.6 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
49% over limit
Discharged 1.644 mg/L against a permitted limit of 1.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
144% over limit
Discharged 4.43880336 kg/d against a permitted limit of 1.81599998 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
43% over limit
Discharged 1.81872398 kg/d against a permitted limit of 1.27119999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli, colony forming units [CFU]
330% over limit
Discharged 1011 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)