PIANO FACTORY-GRAND HAVEN
NPDES ID: MI0054399
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: 2 effluent violations, 2 reporting violations.
Violations
May 31, 2026
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
Tetrachloroethylene
204% over limit
Discharged 0.0456 mg/L against a permitted limit of 0.015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
Tetrachloroethylene
178% over limit
Discharged 0.0417 mg/L against a permitted limit of 0.015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
September 30, 2025
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
August 31, 2025
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
July 31, 2025
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
June 30, 2025
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
May 31, 2025
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
April 30, 2025
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
Tetrachloroethylene
173% over limit
Discharged 0.041 mg/L against a permitted limit of 0.015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
Tetrachloroethylene
46% over limit
Discharged 0.0219 mg/L against a permitted limit of 0.015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
September 30, 2024
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
August 31, 2024
1,2-cis-Dichloroethylene
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (2 hours ago)