ROUND TOP & SHERARD WTP'S
NPDES ID: WY0031721
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
January 31, 2026
Solids, total suspended
10% over limit
Discharged 22 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
267% over limit
Discharged 110 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
144% over limit
Discharged 110 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
450% over limit
Discharged 110 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
161% over limit
Discharged 78.25 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
106% over limit
Discharged 92.5 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
291% over limit
Discharged 78.25 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
110% over limit
Discharged 42 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 42 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
884% over limit
Discharged 196.7 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.4 SU against a permitted limit of 6.5 SU (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
556% over limit
Discharged 196.7 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1047% over limit
Discharged 516 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
680% over limit
Discharged 156 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
420% over limit
Discharged 156 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
247% over limit
Discharged 156 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, total suspended
26% over limit
Discharged 56.6 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
89% over limit
Discharged 56.6 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
183% over limit
Discharged 56.6 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total suspended
47% over limit
Discharged 29.4 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)