Water Quality in New Haven, CT (06437)
EPA violation data for public water systems serving ZIP code 06437.
Active Health Violations
5 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 94% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
22,067
Population
93
Water Systems
70
Violations (5yr)
5
Health-Based
Location
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Water Systems Serving This Area (93)
Regional Water Authority
Surface water 418,900 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Waterbury Water Department
All resolved Surface water 107,271 people served
5 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Meriden Water Division
2 health-based Surface water 58,441 people served
6 violations (5yr)
· 2 health-based
Lead tested: 1.3 ppb (limit: 15 ppb) ✓
Abraham Baldwin Middle School
Groundwater 625 people served
0 violations
Melissa Jones School
All resolved Groundwater 484 people served
1 violation (5yr)
· All resolved
Lead tested: 5 ppb (limit: 15 ppb) ✓
Melissa Jones School - Well #1
Purchased groundwater 464 people served
0 violations
Old Lyme Marketplace
Groundwater 70 people served
0 violations
Lead tested: 5.4 ppb (limit: 15 ppb) ✓
Brooks Plaza
1 health-based Groundwater 67 people served
29 violations (5yr)
· 1 health-based
Lead tested: 0 ppb (limit: 15 ppb) ✓
West Lake Lodge
Groundwater 60 people served
0 violations
Todays Plaza, Llc
All resolved Groundwater 54 people served
4 violations (5yr)
· All resolved
Lead tested: 2 ppb (limit: 15 ppb) ✓
New Haven Sportsman'S Club Inc.
1 health-based Groundwater 50 people served
14 violations (5yr)
· 1 health-based
Bethel 1570 Llc
Groundwater 45 people served
0 violations
North Guilford Congregational Church
All resolved Groundwater 40 people served
3 violations (5yr)
· All resolved
Lead tested: 4.2 ppb (limit: 15 ppb) ✓
Bare Bones Campground
Groundwater 40 people served
0 violations
Canterbury Commons
All resolved Groundwater 39 people served
2 violations (5yr)
· All resolved
2311 Boston Post Road - Guilford
Groundwater 33 people served
0 violations
Guilford Veterinary Hospital
Groundwater 33 people served
0 violations
The Little Store
1 health-based Groundwater 31 people served
2 violations (5yr)
· 1 health-based · All resolved
Fonicello Migrant Labor Camp
Groundwater 30 people served
0 violations
Community Nursery School
Groundwater 30 people served
0 violations
Flagmarsh Apartments
Groundwater 30 people served
0 violations
No Guilford Cong Church
Groundwater 30 people served
0 violations
Bernices Trailer Park
Groundwater 30 people served
0 violations
Bishop Migrant Labor Camp
Groundwater 30 people served
0 violations
No Guilford Nursery School
Groundwater 30 people served
0 violations
Gozzi Turkey Farm
Groundwater 30 people served
0 violations
William Leete Residence
Groundwater 30 people served
0 violations
Gordys Luncheonette
Groundwater 30 people served
0 violations
Naborhood Store
Groundwater 30 people served
0 violations
Bernices Court
Groundwater 29 people served
0 violations
Guilford Saab
Groundwater 25 people served
0 violations
Country Tavern
Groundwater 25 people served
0 violations
Breakfast Woodworks
Groundwater 25 people served
0 violations
St Johns Episcopal Church
Groundwater 25 people served
0 violations
Valley Shores
Groundwater 25 people served
0 violations
Andy Dwyer
Groundwater 25 people served
0 violations
Bittner Park
Groundwater 25 people served
1 violation (5yr)
Ronald Rode
Groundwater 25 people served
0 violations
Andy Dwyer
Groundwater 25 people served
0 violations
North Guilford Nursery School
Groundwater 25 people served
0 violations
Stepstone Hill Associates
Groundwater 25 people served
0 violations
Vivian Sabine
Groundwater 25 people served
0 violations
Wire Assoc. Int'L Inc.
Groundwater 25 people served
0 violations
Take The Cake
Groundwater 25 people served
0 violations
North Guilford Firehouse
Groundwater 25 people served
0 violations
West Lake Club House
Groundwater 25 people served
0 violations
Mrs Daniel Rossiter
Groundwater 25 people served
0 violations
Guilford Lakes School
Groundwater 25 people served
0 violations
Krayeske Water Supply
Groundwater 25 people served
0 violations
Douglas Neudann
Groundwater 25 people served
0 violations
Mary Carpinella
Groundwater 25 people served
0 violations
Pat Montana
Groundwater 25 people served
0 violations
Anthonys Of Guilford
Groundwater 25 people served
0 violations
Hair Place
Groundwater 25 people served
0 violations
Marys Drive-In
Groundwater 25 people served
0 violations
Anthony'S Restaurant
Groundwater 25 people served
0 violations
St John Episcopal Church
Groundwater 25 people served
0 violations
Harmon Battery
Groundwater 25 people served
0 violations
Edward Festa
Groundwater 25 people served
0 violations
Highwood Subdivision
Groundwater 25 people served
0 violations
Frances Sidor
Groundwater 25 people served
0 violations
Lotus Garden Inc.
Groundwater 25 people served
0 violations
Tom Doyle
Groundwater 25 people served
0 violations
Sanshia Restaurant
Groundwater 25 people served
0 violations
Saunders Supply
Groundwater 25 people served
0 violations
Wire Association International Inc
Groundwater 25 people served
0 violations
459 Madison Rd
Groundwater 25 people served
0 violations
Community Nursery School
Groundwater 25 people served
0 violations
Sister Marian Ryan
Groundwater 25 people served
0 violations
Shoreline Outdoor Education Center
Groundwater 25 people served
0 violations
Corner Store
Groundwater 25 people served
0 violations
Thistle Rock Subdivision
Groundwater 25 people served
0 violations
Concetta Sullivan
Groundwater 25 people served
0 violations
Leetes Island
Groundwater 25 people served
0 violations
Susan Coviello
Groundwater 25 people served
0 violations
Sister Marian Ryan
Groundwater 25 people served
0 violations
Four Corners Texaco
Groundwater 25 people served
0 violations
North Guilford Fire House
Groundwater 25 people served
0 violations
West Lake Civic Assoc.
Groundwater 25 people served
0 violations
Mr Russo
Groundwater 25 people served
0 violations
Freds Auto Body
Groundwater 25 people served
0 violations
12 Rae Palmer Road - East Haddam
All resolved Groundwater 25 people served
3 violations (5yr)
· All resolved
Pauls Cafe
Groundwater 25 people served
0 violations
Mr Beard
Groundwater 25 people served
0 violations
Lake Quonnipaug
Groundwater 25 people served
0 violations
Belcourt Supply
Groundwater 25 people served
0 violations
Post Art Center
Groundwater 25 people served
0 violations
Subaru, Inc.
Groundwater 25 people served
0 violations
Frances Lescovich
Groundwater 25 people served
0 violations
Pinewoods Estates
Groundwater 25 people served
0 violations
Our Lady Of Grace Monastery
Groundwater 23 people served
0 violations
Valley Motel (Non Public)
Groundwater 15 people served
0 violations
Capwood Associates (Brookside Plaza)
Groundwater 0
0 violations
Contaminants Found
Revised Total Coliform RuleHealth-Based
Missed testing deadlines — not a detection of bacteria.
19 violations
Has active
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
Has active
Groundwater RuleHealth-Based
1 violation
Has active
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
11 violations
Has active
Consumer Confidence RuleMonitoring
Annual water quality report delivery requirement.
7 violations
Has active
Public NoticeMonitoring
6 violations
Has active
E. COLIMonitoring
2 violations
Has active
TolueneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit1.3 ppb measured
Action level: 15 ppb
Sampled: Jul 2025
How Does This Compare?
New Haven (06437) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 70.
Fewer violations 94th percentile More violations
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.