MIDDLETON WASTEWATER LAGOON
NPDES ID: TN0062642
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 15 effluent violations.
Violations
May 31, 2026
Solids, total suspended
499% over limit
Discharged 272.12759771 kg/d against a permitted limit of 45.39999962 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
192% over limit
Discharged 160.33 mg/L against a permitted limit of 55 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
186% over limit
Discharged 119.506419 kg/d against a permitted limit of 41.76799965 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
71% over limit
Discharged 85.3 mg/L against a permitted limit of 50 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
67% over limit
Discharged 63.01519947 kg/d against a permitted limit of 37.68199968 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
323% over limit
Discharged 1733 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
505% over limit
Discharged 363 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
13% over limit
Discharged 34 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
9% over limit
Discharged 24.84741979 kg/d against a permitted limit of 22.69999981 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
155% over limit
Discharged 1046 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, carbonaceous [5 day, 20 C]
160% over limit
Discharged 58.9382795 kg/d against a permitted limit of 22.69999981 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
187% over limit
Discharged 86 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
140% over limit
Discharged 60 mg/L against a permitted limit of 25 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 74 mg/L against a permitted limit of 50 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
166% over limit
Discharged 146.33 mg/L against a permitted limit of 55 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
490% over limit
Discharged 2420 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
42% over limit
Discharged 53.57199955 kg/d against a permitted limit of 37.68199968 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
121% over limit
Discharged 42.16297965 kg/d against a permitted limit of 19.06799984 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
58% over limit
Discharged 23.7078798 kg/d against a permitted limit of 14.98199987 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
148% over limit
Discharged 103.69359913 kg/d against a permitted limit of 41.76799965 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
193% over limit
Discharged 133.02199888 kg/d against a permitted limit of 45.39999962 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
67% over limit
Discharged 33.33 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
217% over limit
Discharged 190 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
88% over limit
Discharged 103.33 mg/L against a permitted limit of 55 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
233% over limit
Discharged 200 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
18% over limit
Discharged 59.2 mg/L against a permitted limit of 50 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
23% over limit
Discharged 37 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
19% over limit
Discharged 27.04023977 kg/d against a permitted limit of 22.69999981 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
490% over limit
Discharged 2420 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
229% over limit
Discharged 149.18439875 kg/d against a permitted limit of 45.39999962 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
83% over limit
Discharged 76.42181936 kg/d against a permitted limit of 41.76799965 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
15% over limit
Discharged 43.31159964 kg/d against a permitted limit of 37.68199968 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
SSO, Wet Weather
Limit violation
Discharged 14805.00083417 occur/d against a permitted limit of 0 occur/d (MO TOTAL)
DMR, Limited - Numeric Violation
E. coli
490% over limit
Discharged 2420 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
E. coli
490% over limit
Discharged 2420 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
25% over limit
Discharged 9.39 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
24% over limit
Discharged 6.75551994 kg/d against a permitted limit of 5.44799995 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
69% over limit
Discharged 8.47 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
27% over limit
Discharged 9.51 mg/L against a permitted limit of 7.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
27% over limit
Discharged 6.91441994 kg/d against a permitted limit of 5.44799995 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1% over limit
Discharged 10.1 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
69% over limit
Discharged 6.14261995 kg/d against a permitted limit of 3.63199997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli
741% over limit
Discharged 3450 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
E. coli
384% over limit
Discharged 1986 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
E. coli
34% over limit
Discharged 548 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
E. coli
384% over limit
Discharged 1986 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
E. coli
490% over limit
Discharged 2420 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
E. coli
490% over limit
Discharged 2420 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
E. coli
323% over limit
Discharged 1733 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli
490% over limit
Discharged 2420 MPN/100mL against a permitted limit of 410 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)