SHELL OIL PRODUCTS US
NPDES ID: RI0001481
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: 1 effluent violation.
Violations
May 31, 2026
Solids, total suspended
113% over limit
Discharged 42.5 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
60% over limit
Discharged 32 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Xylene [mix of m+o+p]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Toluene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Ethylbenzene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Benzene
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
September 30, 2025
Solids, total suspended
20% over limit
Discharged 24 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
255% over limit
Discharged 71 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
130% over limit
Discharged 46 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
5% over limit
Discharged 21 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
55% over limit
Discharged 31 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, total suspended
10% over limit
Discharged 22 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total suspended
10% over limit
Discharged 22 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, total suspended
90% over limit
Discharged 38 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (6 minutes ago)