STRATTON WWTF
NPDES ID: COG591100
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: 7 effluent violations.
Violations
June 30, 2026
BOD, 5-day, percent removal
27% over limit
Discharged 80.9 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
43% over limit
Discharged 43 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
2% over limit
Discharged 76.75 mg/L against a permitted limit of 75 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Nitrogen, ammonia total [as N]
85% over limit
Discharged 18.9 mg/L against a permitted limit of 10.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
85% over limit
Discharged 18.9 mg/L against a permitted limit of 10.2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
113% over limit
Discharged 21.7 mg/L against a permitted limit of 10.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
113% over limit
Discharged 21.7 mg/L against a permitted limit of 10.2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
11% over limit
Discharged 33.25 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2025
E. coli
85% over limit
Discharged 2076 MPN/100mL against a permitted limit of 1120 MPN/100mL (MX 7D GM)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Molybdenum, total [as Mo]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Chlorine, total residual
132% over limit
Discharged 1.16 mg/L against a permitted limit of 0.5 mg/L (MX 7D AV)
DMR, Limited - Numeric Violation
Chromium, total [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Total phenols
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Arsenic, total [as As]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Selenium, total [as Se]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
June 30, 2025
BOD, 5-day, 20 deg. C
33% over limit
Discharged 40 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
19% over limit
Discharged 82.1 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
9% over limit
Discharged 82 mg/L against a permitted limit of 75 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
17% over limit
Discharged 11.9 mg/L against a permitted limit of 10.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
17% over limit
Discharged 11.9 mg/L against a permitted limit of 10.2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, 5-day, percent removal
160% over limit
Discharged 61 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (10 hours ago)