ST. IGNATIUS SOUTH SIDE WWTF
NPDES ID: MT0029017
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 6 effluent violations, 8 reporting violations.
Violations
June 30, 2026
E. coli
80% over limit
Discharged 226.56 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
73% over limit
Discharged 435 MPN/100mL against a permitted limit of 252 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
Solids, suspended percent removal
63% over limit
Discharged 75.51 % against a permitted limit of 85 % (MO MIN)
DMR, Limited - Numeric Violation
E. coli
32% over limit
Discharged 166.61 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
860% over limit
Discharged 2420 MPN/100mL against a permitted limit of 252 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Oil and grease visual
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (VALUE)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 4.79 mg/L (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.11 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO MIN)
DMR, Limited - Overdue
E. coli
265% over limit
Discharged 921 MPN/100mL against a permitted limit of 252 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, suspended percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
March 31, 2026
Coliform, fecal general
22% over limit
Discharged 488 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
E. coli
5% over limit
Discharged 131.678 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
288% over limit
Discharged 1550 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
690% over limit
Discharged 1990 MPN/100mL against a permitted limit of 252 MPN/100mL (7 DA AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, suspended percent removal
147% over limit
Discharged 63 % against a permitted limit of 85 % (MO MIN)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
125% over limit
Discharged 5.84 mg/L against a permitted limit of 2.59 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
399% over limit
Discharged 5.84 mg/L against a permitted limit of 1.17 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
20% over limit
Discharged 54 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
250% over limit
Discharged 4.09 mg/L against a permitted limit of 1.17 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
212% over limit
Discharged 8.09 mg/L against a permitted limit of 2.59 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
pH
0% over limit
Discharged 8.59 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Numeric Violation
February 28, 2025
Coliform, fecal general
505% over limit
Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.185 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
1110% over limit
Discharged 2420 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Coliform, fecal general
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
91% over limit
Discharged 5.71 mg/L against a permitted limit of 2.99 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 252 MPN/100mL (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
158% over limit
Discharged 116 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
267% over limit
Discharged 45 % against a permitted limit of 85 % (MO MIN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
187% over limit
Discharged 11 mg/L against a permitted limit of 3.83 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 40 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
September 30, 2024
pH
0% over limit
Discharged 5.53 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 17, 2026 (5 hours ago)