NPDES ID: PR0026042
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: 12 effluent violations.
Violations
May 31, 2026
Oxygen, dissolved [DO]
14% over limit
Discharged 4.3 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Coliform, fecal general
193% over limit
Discharged 586 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
1630% over limit
Discharged 1.73000008 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
5% over limit
Discharged 0.023 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
225% over limit
Discharged 1300 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
76% over limit
Discharged 44 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Ammonia & ammonium- total
4% over limit
Discharged 26.1 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
33% over limit
Discharged 20 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
940% over limit
Discharged 1.04000005 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Color [PT-CO units]
0% over limit
Discharged 25 col unit (pc) against a permitted limit of 15 col unit (pc) (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
1468% over limit
Discharged 1.56800007 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
84% over limit
Discharged 45.9 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Surfactants [MBAS]
731% over limit
Discharged 0.83100004 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Ammonia & ammonium- total
64% over limit
Discharged 41 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
1650% over limit
Discharged 1.75000008 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Color [PT-CO units]
0% over limit
Discharged 20 col unit (pc) against a permitted limit of 15 col unit (pc) (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Surfactants [MBAS]
108% over limit
Discharged 0.20800001 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
64% over limit
Discharged 40.9 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Ammonia & ammonium- total
82% over limit
Discharged 45.6 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
BOD, 5-day, percent removal
375% over limit
Discharged 28.8 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
20% over limit
Discharged 18 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
361% over limit
Discharged 0.46100002 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
6% over limit
Discharged 26.5 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Sulfide, total [as S]
100% over limit
Discharged 0.004 mg/L against a permitted limit of 0.002 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
75% over limit
Discharged 43.7 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
122% over limit
Discharged 0.22200001 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Ammonia & ammonium- total
64% over limit
Discharged 40.95 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
1725% over limit
Discharged 1.82500009 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Surfactants [MBAS]
406% over limit
Discharged 0.50600002 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Ammonia & ammonium- total
19% over limit
Discharged 29.8 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
831% over limit
Discharged 0.93100004 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Ammonia & ammonium- total
94% over limit
Discharged 48.5 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
17% over limit
Discharged 82.5 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
243% over limit
Discharged 0.34250002 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Ammonia & ammonium- total
68% over limit
Discharged 42 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
40% over limit
Discharged 0.14000001 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Surfactants [MBAS]
1270% over limit
Discharged 1.37000007 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
43% over limit
Discharged 35.7 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Copper, total [as Cu]
95% over limit
Discharged 0.043 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
96% over limit
Discharged 49.1 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Surfactants [MBAS]
1025% over limit
Discharged 1.12500005 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Surfactants [MBAS]
210% over limit
Discharged 0.31000001 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Color [PT-CO units]
0% over limit
Discharged 20 col unit (pc) against a permitted limit of 15 col unit (pc) (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
55% over limit
Discharged 0.034 mg/L against a permitted limit of 0.022 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
94% over limit
Discharged 1.94 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Ammonia & ammonium- total
121% over limit
Discharged 55.3 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Ammonia & ammonium- total
17% over limit
Discharged 29.2 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Ammonia & ammonium- total
18% over limit
Discharged 29.5 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Ammonia & ammonium- total
54% over limit
Discharged 38.5 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
20% over limit
Discharged 18 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)