MILLVILLE AWT FACILITY
NPDES ID: FL0170909
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: 24 effluent violations, 19 single-event violations.
Violations
May 31, 2026
Enterococci: group D, MF trans, M-E, EIA
9% over limit
Discharged 38 MPN/100mL against a permitted limit of 35 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
300% over limit
Discharged 32 mg/L against a permitted limit of 8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
38% over limit
Discharged 11 mg/L against a permitted limit of 8 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
11329% over limit
Discharged 1600 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
188% over limit
Discharged 46 mg/L against a permitted limit of 16 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
27807% over limit
Discharged 24000 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
175% over limit
Discharged 33 mg/L against a permitted limit of 12 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
20% over limit
Discharged 12 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
73% over limit
Discharged 6.9 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
92% over limit
Discharged 200 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
30% over limit
Discharged 2.6 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
5757% over limit
Discharged 820 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, total [as N]
183% over limit
Discharged 34 mg/L against a permitted limit of 12 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
92% over limit
Discharged 200 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
325% over limit
Discharged 34 mg/L against a permitted limit of 8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
11% over limit
Discharged 39 MPN/100mL against a permitted limit of 35 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
188% over limit
Discharged 46 mg/L against a permitted limit of 16 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
55% over limit
Discharged 3.1 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
3586% over limit
Discharged 516 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
108% over limit
Discharged 8.3 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
10% over limit
Discharged 8.8 mg/L against a permitted limit of 8 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
27807% over limit
Discharged 24000 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Ultraviolet light dosage
37% over limit
Discharged 0.027 uW-sec/cm2 against a permitted limit of 0.0427 uW-sec/cm2 (MINIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
9186% over limit
Discharged 1300 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, total [as N]
125% over limit
Discharged 36 mg/L against a permitted limit of 16 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
275% over limit
Discharged 30 mg/L against a permitted limit of 8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
466% over limit
Discharged 198 MPN/100mL against a permitted limit of 35 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
14834% over limit
Discharged 15531 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
7% over limit
Discharged 3.2 mg/L against a permitted limit of 3 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
60% over limit
Discharged 3.2 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
7757% over limit
Discharged 1100 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
1621% over limit
Discharged 241 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
Coliform, fecal general
40598% over limit
Discharged 35000 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
150% over limit
Discharged 30 mg/L against a permitted limit of 12 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
175% over limit
Discharged 11 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
February 28, 2026
Phosphorus, total [as P]
130% over limit
Discharged 9.2 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
16% over limit
Discharged 13.9 mg/L against a permitted limit of 12 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
45% over limit
Discharged 2.9 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
75% over limit
Discharged 14 mg/L against a permitted limit of 8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
4329% over limit
Discharged 620 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
29% over limit
Discharged 18 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
Coliform, fecal general
13967% over limit
Discharged 12098 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
150% over limit
Discharged 40 mg/L against a permitted limit of 16 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Ultraviolet light dosage
44% over limit
Discharged 0.024 uW-sec/cm2 against a permitted limit of 0.0427 uW-sec/cm2 (MINIMUM)
DMR, Limited - Numeric Violation
January 31, 2026
Coliform, fecal general
134% over limit
Discharged 201 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
2121% over limit
Discharged 311 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Coliform, fecal general
134% over limit
Discharged 201 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
3543% over limit
Discharged 510 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Coliform, fecal general
133% over limit
Discharged 200 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
92% over limit
Discharged 200 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
3757% over limit
Discharged 540 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
October 31, 2025
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia
23% over limit
Discharged 77.17 % against a permitted limit of 100 % (MINIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
3757% over limit
Discharged 540 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Coliform, fecal general
3757% over limit
Discharged 540 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Coliform, fecal general
3757% over limit
Discharged 540 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
5481% over limit
Discharged 4800 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
1810% over limit
Discharged 1986 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
July 31, 2025
Phosphorus, total [as P]
5% over limit
Discharged 2.1 mg/L against a permitted limit of 2 mg/L (ANNL AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
53% over limit
Discharged 6.1 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
100% over limit
Discharged 4 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia
19% over limit
Discharged 81.4 % against a permitted limit of 100 % (MINIMUM)
DMR, Limited - Numeric Violation
Ultraviolet light dosage
18% over limit
Discharged 0.035 uW-sec/cm2 against a permitted limit of 0.0427 uW-sec/cm2 (MINIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
30% over limit
Discharged 3.9 mg/L against a permitted limit of 3 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
1400% over limit
Discharged 210 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
31% over limit
Discharged 21 mg/L against a permitted limit of 16 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
1336% over limit
Discharged 201 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
IC25 Static Renewal 7 Day Chronic Chrpimephales
0% over limit
Discharged 99.7 % against a permitted limit of 100 % (MINIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
11179% over limit
Discharged 9700 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
June 30, 2025
Phosphorus, total [as P]
20% over limit
Discharged 4.8 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
10% over limit
Discharged 2.2 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
829% over limit
Discharged 130 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
133% over limit
Discharged 200 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
May 31, 2025
Coliform, fecal general
133% over limit
Discharged 200 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
71% over limit
Discharged 24 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
Ultraviolet light dosage
30% over limit
Discharged 0.03 uW-sec/cm2 against a permitted limit of 0.0427 uW-sec/cm2 (MINIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
900% over limit
Discharged 140 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Phosphorus, total [as P]
25% over limit
Discharged 5 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
179% over limit
Discharged 240 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
900% over limit
Discharged 140 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
20% over limit
Discharged 2.4 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Coliform, fecal general
900% over limit
Discharged 140 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
133% over limit
Discharged 200 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
92% over limit
Discharged 200 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
February 28, 2025
Coliform, fecal general
829% over limit
Discharged 130 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
93% over limit
Discharged 201 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
4551% over limit
Discharged 4000 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
31% over limit
Discharged 21 mg/L against a permitted limit of 16 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
Coliform, fecal general
92% over limit
Discharged 165 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, total [as N]
50% over limit
Discharged 24 mg/L against a permitted limit of 16 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
5527% over limit
Discharged 4839 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
53% over limit
Discharged 6.1 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
7% over limit
Discharged 15 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
92% over limit
Discharged 200 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
November 30, 2024
Coliform, fecal general
5527% over limit
Discharged 4839 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
38% over limit
Discharged 22 mg/L against a permitted limit of 16 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
2208% over limit
Discharged 2400 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
257% over limit
Discharged 50 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
40% over limit
Discharged 5.6 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
51% over limit
Discharged 53 MPN/100mL against a permitted limit of 35 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
5% over limit
Discharged 8.4 mg/L against a permitted limit of 8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Ultraviolet light dosage
25% over limit
Discharged 0.032 uW-sec/cm2 against a permitted limit of 0.0427 uW-sec/cm2 (MINIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
20% over limit
Discharged 2.4 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia
58% over limit
Discharged 41.9 % against a permitted limit of 100 % (MINIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
479% over limit
Discharged 81 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
133% over limit
Discharged 200 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
September 30, 2024
Phosphorus, total [as P]
20% over limit
Discharged 2.4 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
134% over limit
Discharged 201 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
457% over limit
Discharged 78 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Ultraviolet light dosage
53% over limit
Discharged 0.02 uW-sec/cm2 against a permitted limit of 0.0427 uW-sec/cm2 (MINIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
3% over limit
Discharged 4.1 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
August 31, 2024
Coliform, fecal general
365% over limit
Discharged 400 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
10% over limit
Discharged 2.2 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Ultraviolet light dosage
6% over limit
Discharged 0.04 uW-sec/cm2 against a permitted limit of 0.0427 uW-sec/cm2 (MINIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
71% over limit
Discharged 24 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
10% over limit
Discharged 4.4 mg/L against a permitted limit of 4 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
486% over limit
Discharged 82 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
July 31, 2024
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia
50% over limit
Discharged 50 % against a permitted limit of 100 % (MINIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
464% over limit
Discharged 79 MPN/100mL against a permitted limit of 14 MPN/100mL (ANNL AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
429% over limit
Discharged 74 MPN/100mL against a permitted limit of 14 MPN/100mL (MO MED)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
13% over limit
Discharged 18 mg/L against a permitted limit of 16 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
3505% over limit
Discharged 3100 MPN/100mL against a permitted limit of 86 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Ultraviolet light dosage
18% over limit
Discharged 0.035 uW-sec/cm2 against a permitted limit of 0.0427 uW-sec/cm2 (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
1% over limit
Discharged 8.1 mg/L against a permitted limit of 8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Enterococci: group D, MF trans, M-E, EIA
285% over limit
Discharged 400 MPN/100mL against a permitted limit of 104 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)