Is Danbury, Connecticut tap water safe?
16 water systems report serving Danbury. Your water depends on which one serves your address. Check your bill if unsure.
B
Danbury Water Department
Serves 62,055 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2025).
C
Bethel Water Dept
Serves 9,507 people · Surface water · Full report →
No health-based violations in the last 5 years; 54 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2026).
A
Lake Waubeeka Association
Serves 712 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 (2025).
A
Aqua Vista Assoc, Inc
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 (2023).
A
Aquarion-Indian Spring
Serves 242 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
Aquarion-Hollandale Estates
Serves 200 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
Hawthorne Terrace Assoc
Serves 156 people · Groundwater · Full report →
No 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
Aquarion-Ken Oaks
Serves 152 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Snug Harbor Development Corp
Serves 144 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Aquarion-Pearce Manor
Serves 133 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 (2025).
A
Shady Acres Mobile Home Park
Serves 117 people · Groundwater · Full report →
No 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 (2023).
A
Danbury Water Dept-Ridgeview Gardens
Serves 116 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
Aquarion-Rolling Ridge
Serves 115 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).
C
Cornell Hills Assoc, Inc
Serves 108 people · Surface water · Full report →
1 health-based violation in the last 5 years; 15 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Aquarion-Fieldstone Ridge
Serves 84 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).
C
Cedar Terrace Prop Owners Assn
Serves 66 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 27 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).