CARO WWTP
NPDES ID: MI0022551
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: 3 effluent violations.
Violations
May 31, 2026
Solids, total suspended
202% over limit
Discharged 90.5 mg/L against a permitted limit of 30 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
20% over limit
Discharged 23.9 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
23% over limit
Discharged 167.0719986 kg/d against a permitted limit of 136.19999886 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
44% over limit
Discharged 294.19199753 kg/d against a permitted limit of 204.29999828 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
80% over limit
Discharged 73 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
42% over limit
Discharged 42.6 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
138% over limit
Discharged 106.9 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
January 31, 2025
pH
0% over limit
Discharged 4.9 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (10 hours ago)