MODOT I-44 CONWAY WELCOME CENTER WWTP
NPDES ID: MO0056227
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 1 effluent violation, 14 reporting violations.
Violations
June 30, 2026
E. coli
1122% over limit
Discharged 1540 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
58% over limit
Discharged 3.78 mg/L against a permitted limit of 2.4 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
58% over limit
Discharged 3.78 mg/L against a permitted limit of 2.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
0% over limit
Discharged 2 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
Solids, suspended percent removal
0% over limit
Discharged 99.3 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 1 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
October 1, 2026 (6 days ago)