Is Montville, Connecticut tap water safe?
25 water systems report serving Montville. Your water depends on which one serves your address. Check your bill if unsure.
D
Norwich Public Utilities
Serves 36,163 people · Surface water · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2025).
A
Waterford Wpca
Serves 16,578 people · Surface water · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A
SCWA, Montville Division (Mtv)
Serves 2,570 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
SCWA, Mohegan Division
Serves 1,428 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Montville Water Supply
Serves 1,300 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
B
SCWA, Oakdale Heights Division
Serves 876 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
A
SCWA, Chesterfield Division
Serves 524 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Kitemaug Orchard Association, Inc.
Serves 490 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
SCWA, Hillcrest Division (Hlc)
Serves 450 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
SCWA, Robin Hill Division (Rbn)
Serves 388 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
A
Meadows Apartments
Serves 301 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
C
St. Thomas More School-Main System
Serves 270 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
A
SCWA, Birchwood Division (Bwd)
Serves 108 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
C
Mountview Apartments
Serves 105 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 4 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
Deer Run Supply
Serves 84 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 4 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
C
Thompson Hill Water Co - Beechwood Acres
Serves 77 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 2 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
C
Lakeside Manor Apartments
Serves 72 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 1 monitoring/reporting violation; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Oakridge Gardens, LLC
Serves 70 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
Marina Cove
Serves 70 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
Independence Village Elderly Housing
Serves 55 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
C
Freedom Village Elderly Housing
Serves 43 people · Groundwater · Full report →
3 health-based violations in the last 5 years; 2 monitoring/reporting violations; 4 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2026).
B
Fox Laurel Mobile Home Park, LLC
Serves 40 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
Oakridge Village
Serves 33 people · Groundwater · Full report →
No health-based violations in the last 5 years; 6 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).
A
SCWA, Seven Oaks (Oak)
Serves 26 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
St. Thomas More School-The Cove
Serves 25 people · Groundwater · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).