PARKER CITY WWTP
NPDES ID: IN0020729
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: 1 effluent violation.
Violations
April 30, 2026
Nitrogen, ammonia total [as N]
9% over limit
Discharged 12.71199989 kg/d against a permitted limit of 11.6677999 kg/d (MX WK AV)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
47% over limit
Discharged 15.9 mg/L against a permitted limit of 10.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
29% over limit
Discharged 20.9 mg/L against a permitted limit of 16.2 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
35% over limit
Discharged 14.6 mg/L against a permitted limit of 10.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
8% over limit
Discharged 11.7 mg/L against a permitted limit of 10.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
4% over limit
Discharged 16.9 mg/L against a permitted limit of 16.2 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia total [as N]
13% over limit
Discharged 12.2 mg/L against a permitted limit of 10.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 18.3 mg/L against a permitted limit of 16.2 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
5% over limit
Discharged 11.3 mg/L against a permitted limit of 10.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
7% over limit
Discharged 17.4 mg/L against a permitted limit of 16.2 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
30% over limit
Discharged 14 mg/L against a permitted limit of 10.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, carbonaceous [5 day, 20 C]
30% over limit
Discharged 32.6 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
7% over limit
Discharged 17.3 mg/L against a permitted limit of 16.2 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 12.2 mg/L against a permitted limit of 10.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
24% over limit
Discharged 49.5 mg/L against a permitted limit of 40 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
7% over limit
Discharged 17.3 mg/L against a permitted limit of 16.2 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
27% over limit
Discharged 31.7 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, ammonia total [as N]
7% over limit
Discharged 17.4 mg/L against a permitted limit of 16.2 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
October 31, 2024
E. coli, colony forming units [CFU]
81% over limit
Discharged 425 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli, colony forming units [CFU]
194% over limit
Discharged 691 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
August 1, 2026 (5 days ago)