BLOOMFIELD WWTF
NPDES ID: MO0050326
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 13 effluent violations.
Violations
May 31, 2026
E. coli
93% over limit
Discharged 1990 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
E. coli
181% over limit
Discharged 579.5 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
13% over limit
Discharged 83 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
80% over limit
Discharged 0.0236 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
220% over limit
Discharged 0.01345 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
E. coli
135% over limit
Discharged 2420 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
E. coli
343% over limit
Discharged 913 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Chloride
171% over limit
Discharged 494 mg/L against a permitted limit of 182.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Iron, total recoverable
68% over limit
Discharged 1.15000005 mg/L against a permitted limit of 0.68360003 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
60% over limit
Discharged 76 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Chloride
26% over limit
Discharged 494 mg/L against a permitted limit of 393.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
268% over limit
Discharged 0.0482 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
457% over limit
Discharged 0.0234 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, percent removal
87% over limit
Discharged 72 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
116% over limit
Discharged 6.69 mg/L against a permitted limit of 3.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
86% over limit
Discharged 0.0078 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
28% over limit
Discharged 15.5 mg/L against a permitted limit of 12.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Chloride
3% over limit
Discharged 188 mg/L against a permitted limit of 182.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
132% over limit
Discharged 7.2 mg/L against a permitted limit of 3.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
131% over limit
Discharged 0.0097 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Iron, total recoverable
1% over limit
Discharged 0.69300003 mg/L against a permitted limit of 0.68360003 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Iron, total recoverable
28% over limit
Discharged 0.87500004 mg/L against a permitted limit of 0.68360003 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
4% over limit
Discharged 0.0136 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride
86% over limit
Discharged 339 mg/L against a permitted limit of 182.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
193% over limit
Discharged 0.0123 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Iron, total recoverable
2% over limit
Discharged 0.69500003 mg/L against a permitted limit of 0.68360003 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chloride
72% over limit
Discharged 314 mg/L against a permitted limit of 182.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
112% over limit
Discharged 0.00892 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, 5-day, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
115% over limit
Discharged 0.00905 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total recoverable
19% over limit
Discharged 0.0156 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
202% over limit
Discharged 0.0127 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Chloride
296% over limit
Discharged 722 mg/L against a permitted limit of 182.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
271% over limit
Discharged 0.0156 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chloride
83% over limit
Discharged 722 mg/L against a permitted limit of 393.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total recoverable
28% over limit
Discharged 0.87400004 mg/L against a permitted limit of 0.68360003 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
30% over limit
Discharged 0.017 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Chloride
46% over limit
Discharged 573 mg/L against a permitted limit of 393.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
8% over limit
Discharged 0.0142 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chloride
214% over limit
Discharged 573 mg/L against a permitted limit of 182.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
202% over limit
Discharged 0.0127 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
567% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
July 31, 2025
Chloride
56% over limit
Discharged 613 mg/L against a permitted limit of 393.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total recoverable
87% over limit
Discharged 1.28000006 mg/L against a permitted limit of 0.68360003 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
208% over limit
Discharged 0.01292 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
17% over limit
Discharged 82.5 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Chloride
236% over limit
Discharged 613 mg/L against a permitted limit of 182.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
78% over limit
Discharged 0.0233 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli
792% over limit
Discharged 1837 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Chloride
58% over limit
Discharged 288 mg/L against a permitted limit of 182.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
135% over limit
Discharged 2420 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Iron, total recoverable
35% over limit
Discharged 0.92300004 mg/L against a permitted limit of 0.68360003 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
21% over limit
Discharged 0.0159 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
148% over limit
Discharged 0.0104 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
29% over limit
Discharged 2.32 mg/L against a permitted limit of 1.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Chloride
3% over limit
Discharged 407 mg/L against a permitted limit of 393.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
715% over limit
Discharged 1679 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Copper, total recoverable
199% over limit
Discharged 0.01255 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
135% over limit
Discharged 2420 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Chloride
123% over limit
Discharged 407 mg/L against a permitted limit of 182.4 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
107% over limit
Discharged 69 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
April 30, 2025
BOD, 5-day, percent removal
200% over limit
Discharged 55 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
157% over limit
Discharged 0.0108 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
15% over limit
Discharged 13.9 mg/L against a permitted limit of 12.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
5% over limit
Discharged 0.0138 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
17% over limit
Discharged 1200 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
E. coli
63% over limit
Discharged 336.52 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
4% over limit
Discharged 46.8 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
195% over limit
Discharged 9.15 mg/L against a permitted limit of 3.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
56% over limit
Discharged 46.8 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total recoverable
86% over limit
Discharged 0.0078 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Copper, total recoverable
317% over limit
Discharged 0.0546 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
100% over limit
Discharged 70 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
89% over limit
Discharged 22.9 mg/L against a permitted limit of 12.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
427% over limit
Discharged 0.02212 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
155% over limit
Discharged 7.92 mg/L against a permitted limit of 3.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, suspended percent removal
81% over limit
Discharged 72.8 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
118% over limit
Discharged 0.00916 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
196% over limit
Discharged 55.6 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
2% over limit
Discharged 0.0133 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Copper, total recoverable
114% over limit
Discharged 0.00897 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Copper, total recoverable
484% over limit
Discharged 0.02452 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
433% over limit
Discharged 0.0698 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, suspended percent removal
16% over limit
Discharged 82.6 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
September 30, 2024
Copper, total recoverable
30% over limit
Discharged 0.017 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
172% over limit
Discharged 0.01142 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Copper, total recoverable
395% over limit
Discharged 0.0649 mg/L against a permitted limit of 0.0131 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
470% over limit
Discharged 0.02395 mg/L against a permitted limit of 0.0042 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)