Water quality for ZIP code 06478
New Haven County, Connecticut, one of 41 ZIP codes in the county. 212 active public water systems serve the county; 114 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in New Haven County
31 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Aquarion-Oxford Towne Center Oxford |
449 | 0 | under 0.1 mi | |
| Aquarion-Lakeside Southbury |
455 | 0 | 4.3 mi | |
| Aquarion-Valley Ansonia, Beacon Falls, Bethany and 3 more |
13,080 | 0 | 4.8 mi | |
| Aquarion-Hawkstone Oxford, Seymour |
120 | 0 | 5.1 mi | |
| Idleview Mobile Home Park Naugatuck |
138 | 0 | 5.2 mi | |
| Oakdale Manor Water Association Southbury |
40 | 5 | 5.4 mi | |
| Aquarion-West Shore Middlebury |
100 | 0 | 6.0 mi | |
| Middlebury Commons Middlebury |
76 | 1 | 6.7 mi | |
| Ctwc Naugatuck Region-Central System Beacon Falls, Naugatuck, Prospect and 1 more |
22,735 | 0 | 6.7 mi | |
| Southbury Training School Southbury |
816 | 4 | 7.0 mi | |
| Bethany Mobile Home Park Bethany |
138 | 2 | 8.1 mi | |
| Waterbury Water Department Middlebury, Prospect, Waterbury and 2 more |
107,271 | 2 | 9.8 mi | |
| Aquarion-East Derby Derby, Orange |
1,101 | 1 | 10.0 mi | |
| Harmony Acres Mobile Home Park Prospect |
465 | 1 | 10.2 mi | |
| Wolcott Water Department Waterbury, Wolcott |
2,550 | 0 | 12.2 mi | |
| Aquarion-Clearview Hills Wolcott |
215 | 0 | 12.9 mi | |
| Arrowhead by the Lake Association, Inc. Wolcott |
288 | 0 | 12.9 mi | |
| Countryside Apartments Wolcott |
218 | 0 | 12.9 mi | |
| Aquarion-Woodrich Village Wolcott |
72 | 0 | 13.1 mi | |
| Regional Water Authority Ansonia, Bethany, Branford and 17 more |
418,900 | 0 | 13.4 mi | |
| Crestview Condominium Association Cheshire |
84 | 6 | 13.6 mi | |
| Wallingford Water Department North Haven, Wallingford |
37,267 | 2 | 17.2 mi | |
| Meriden Water Division Berlin, Cheshire, Meriden and 2 more |
58,441 | 4 | 19.2 mi | |
| Meriden Care Center Llc-Silver Springs Meriden |
334 | 0 | 19.4 mi | |
| Northford Glen Condominium Association North Branford |
84 | 5 | 20.4 mi |
Non-community systems in New Haven County (180: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to New Haven County, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau county subdivision files or the centre of the first town EPA lists the system as serving, from Census Bureau place files.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Connecticut records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.