ANGUILLA WASTEWATER TREATMENT FACILITY
NPDES ID: VI0020036
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: 3 effluent violations.
Violations
April 30, 2026
Solids, suspended percent removal
187% over limit
Discharged 57 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, suspended percent removal
413% over limit
Discharged 23 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
87% over limit
Discharged 84 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
33% over limit
Discharged 80 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
68% over limit
Discharged 50.5 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Enterococci
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (DAILY MX)
DMR, Monitor Only - Overdue
Enterococci
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
January 31, 2026
BOD, 5-day, percent removal
7% over limit
Discharged 84 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
167% over limit
Discharged 120 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
120% over limit
Discharged 66 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
300% over limit
Discharged 40 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
December 31, 2025
Gross beta
0% over limit
Discharged 0 pCi/L against a permitted limit of 0 pCi/L (DAILY MX)
DMR, Monitor Only - Overdue
Strontium 90, total
0% over limit
Discharged 0 pCi/L against a permitted limit of 0 pCi/L (DAILY MX)
DMR, Monitor Only - Overdue
Radium 226, total
0% over limit
Discharged 0 pCi/L against a permitted limit of 0 pCi/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, suspended percent removal
127% over limit
Discharged 66 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Solids, suspended percent removal
127% over limit
Discharged 66 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Oil & Grease
0% over limit
Discharged 2.9 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.97 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 5.7 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.25 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 1.375 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Enterococci
0% over limit
Discharged 106 MPN/100mL against a permitted limit of 0 MPN/100mL (DAILY MX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.312 MGD against a permitted limit of 0 MGD (DLYAVMIN)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 17 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 1.174 MGD against a permitted limit of 5 MGD (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 181 MPN/100mL against a permitted limit of 2000 MPN/100mL (WKLY AVG)
DMR, Limited - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 28.5 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 181 MPN/100mL against a permitted limit of 1000 MPN/100mL (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 1.724 MGD against a permitted limit of 8 MGD (DAILY MX)
DMR, Limited - Overdue
Whole effluent toxicity
0% over limit
Discharged 100 % against a permitted limit of 0 % (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 15.5 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 7 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Enterococci
0% over limit
Discharged 106 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 92 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 3.9 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Turbidity
0% over limit
Discharged 17 NTU against a permitted limit of 0 NTU (DAILY MX)
DMR, Monitor Only - Overdue
November 30, 2025
Solids, suspended percent removal
13% over limit
Discharged 83 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
80% over limit
Discharged 81 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Coliform, fecal general
316% over limit
Discharged 4159 MPN/100mL against a permitted limit of 1000 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
173% over limit
Discharged 59 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
300% over limit
Discharged 180 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
1033% over limit
Discharged -70 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Coliform, fecal general
108% over limit
Discharged 4159 MPN/100mL against a permitted limit of 2000 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
297% over limit
Discharged 119 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, suspended percent removal
627% over limit
Discharged -9 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Coliform, fecal general
495% over limit
Discharged 5952 MPN/100mL against a permitted limit of 1000 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
198% over limit
Discharged 5952 MPN/100mL against a permitted limit of 2000 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
167% over limit
Discharged 120 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
300% over limit
Discharged 120 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, suspended percent removal
93% over limit
Discharged 71 % against a permitted limit of 85 % (MO AV MN)
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
Solids, total suspended
122% over limit
Discharged 100 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
87% over limit
Discharged 56 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Enterococci
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (DAILY MX)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 1000 MPN/100mL (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 2000 MPN/100mL (WKLY AVG)
DMR, Limited - Overdue
Enterococci
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
April 30, 2025
Solids, total suspended
55% over limit
Discharged 46.5 mg/L against a permitted limit of 30 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
Solids, suspended percent removal
220% over limit
Discharged 52 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
March 31, 2025
Solids, total suspended
87% over limit
Discharged 84 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
433% over limit
Discharged 20 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
47% over limit
Discharged 78 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
96% over limit
Discharged 58.7 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
100% over limit
Discharged 60 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
327% over limit
Discharged 36 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
167% over limit
Discharged 120 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
January 31, 2025
BOD, 5-day, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
147% over limit
Discharged 63 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Enterococci
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
2% over limit
Discharged 30.5 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 2000 MPN/100mL (WKLY AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 1000 MPN/100mL (MO AVG)
DMR, Limited - Overdue
Enterococci
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
December 31, 2024
Radium 226, total
0% over limit
Discharged 0.159 pCi/L against a permitted limit of 0 pCi/L (DAILY MX)
DMR, Monitor Only - Overdue
Whole effluent toxicity
0% over limit
Discharged 100 % against a permitted limit of 0 % (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Strontium 90, total
0% over limit
Discharged 1.3 pCi/L against a permitted limit of 0 pCi/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, suspended percent removal
180% over limit
Discharged 58 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Gross beta
0% over limit
Discharged 10.7 pCi/L against a permitted limit of 0 pCi/L (DAILY MX)
DMR, Monitor Only - Overdue
October 31, 2024
Solids, suspended percent removal
67% over limit
Discharged 75 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, suspended percent removal
7% over limit
Discharged 84 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Coliform, fecal general
56% over limit
Discharged 1562 MPN/100mL against a permitted limit of 1000 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)