SEDALIA NORTH WWTP
NPDES ID: MO0023027
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: 5 effluent violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
63% over limit
Discharged 3.59 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
16% over limit
Discharged 0.0266 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Solids, total suspended
14% over limit
Discharged 34.1 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
18% over limit
Discharged 53 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
29% over limit
Discharged 2.97 mg/L against a permitted limit of 2.3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total recoverable
92% over limit
Discharged 0.0439 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
106% over limit
Discharged 5.97 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
159% over limit
Discharged 0.0593 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
31% over limit
Discharged 0.0593 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
69% over limit
Discharged 50.6 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
12% over limit
Discharged 0.0503 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
45% over limit
Discharged 49.1 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
120% over limit
Discharged 0.0503 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
58% over limit
Discharged 71 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
51% over limit
Discharged 68 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
58% over limit
Discharged 47.3 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
104% over limit
Discharged 6.32 mg/L against a permitted limit of 3.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
2% over limit
Discharged 46 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
47% over limit
Discharged 44 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
213% over limit
Discharged 9.07 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
31% over limit
Discharged 59 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
140% over limit
Discharged 0.055 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
8% over limit
Discharged 32.5 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
22% over limit
Discharged 0.055 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
17% over limit
Discharged 11.8 mg/L against a permitted limit of 10.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total recoverable
280% over limit
Discharged 0.087 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
11% over limit
Discharged 50 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1% over limit
Discharged 3.12 mg/L against a permitted limit of 3.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
93% over limit
Discharged 0.087 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
9% over limit
Discharged 32.8 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
2% over limit
Discharged 46 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
6% over limit
Discharged 31.7 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total recoverable
12% over limit
Discharged 0.0256 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
47% over limit
Discharged 4.26 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Copper, total recoverable
65% over limit
Discharged 0.0742 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
113% over limit
Discharged 4.68 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
224% over limit
Discharged 0.0742 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
197% over limit
Discharged 6.53 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
511% over limit
Discharged 0.14000001 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
56% over limit
Discharged 70 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
210% over limit
Discharged 0.14000001 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
5% over limit
Discharged 31.6 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Cadmium, total recoverable
50% over limit
Discharged 1.5 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
95% over limit
Discharged 4.3 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
81% over limit
Discharged 0.04145 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Copper, total recoverable
265% over limit
Discharged 0.0835 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
85% over limit
Discharged 0.0835 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
5% over limit
Discharged 2.3 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Copper, total recoverable
137% over limit
Discharged 0.10700001 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
43% over limit
Discharged 43 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
31% over limit
Discharged 59 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
102% over limit
Discharged 4.45 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
367% over limit
Discharged 0.10700001 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
17% over limit
Discharged 35.135 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
31% over limit
Discharged 58.86 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
22% over limit
Discharged 55 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
459% over limit
Discharged 0.12800001 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
35% over limit
Discharged 52.61 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
184% over limit
Discharged 0.12800001 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 44.34 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
328% over limit
Discharged 192.5 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 10.2 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
101% over limit
Discharged 0.0905 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
5% over limit
Discharged 31.435 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
141% over limit
Discharged 15.66 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
156% over limit
Discharged 76.75 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
267% over limit
Discharged 0.08405 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, suspended percent removal
3% over limit
Discharged 64 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.4 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
11% over limit
Discharged 50 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
69% over limit
Discharged 4.9 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
169% over limit
Discharged 0.06155 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
62% over limit
Discharged 0.0731 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
BOD, 5-day, 20 deg. C
10% over limit
Discharged 33 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
27% over limit
Discharged 38 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
300% over limit
Discharged 0.09165 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
56% over limit
Discharged 70 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
84% over limit
Discharged 5.7 mg/L against a permitted limit of 3.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
1% over limit
Discharged 45.59 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
6% over limit
Discharged 63 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Numeric Violation
Copper, total recoverable
111% over limit
Discharged 0.095 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Copper, total recoverable
415% over limit
Discharged 0.11800001 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
162% over limit
Discharged 0.11800001 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Copper, total recoverable
86% over limit
Discharged 0.0426 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
15% over limit
Discharged 0.0517 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Copper, total recoverable
109% over limit
Discharged 0.0478 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
6% over limit
Discharged 0.0478 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Copper, total recoverable
23% over limit
Discharged 0.02825 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, total suspended
109% over limit
Discharged 94 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
53% over limit
Discharged 46 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
266% over limit
Discharged 0.0837 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
36% over limit
Discharged 3 mg/L against a permitted limit of 2.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
86% over limit
Discharged 0.0837 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
49% over limit
Discharged 48 % against a permitted limit of 65 % (MO AV MN)
DMR, Limited - Numeric Violation
July 31, 2024
Solids, total suspended
15% over limit
Discharged 51.7 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
135% over limit
Discharged 0.10600001 mg/L against a permitted limit of 0.0451 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
97% over limit
Discharged 0.04512 mg/L against a permitted limit of 0.0229 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)