Water Quality in Londonderry, NH (03053)
EPA violation data for public water systems serving ZIP code 03053.
Past Health-Based Violations
7 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 18 monitoring/reporting violations.
More violations than 82% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
26,327
Population
57
Water Systems
25
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (57)
Londonderry High School
Candia First Stoppe
South Londonderry School
North School
Londonderry Central School
Londonderry Junior High School
Mountain Home Estates Assoc
Londonderry Flea Market
714 Burnt Store Rd, Llc-7-Eleven Store
All resolvedKendalwood Association I
Birchville Estates
Continental Recreation Park
Ark Learning Center
1 health-basedCastle Commons
Oak Hill Professional Park
Wagon Wheel
All resolvedLondonderry Police Department
The Woodlands/West
Victory Baptist Sch
All resolvedBockmans Mobile Home Park Ii
Towne Square Prof Condos
1 health-basedLondonderry Country Club
2 health-based12 Tallwood
3 health-basedColonial Park
Applewood Learning Center
Jean Gagnon, C/O Jemco
Five Industrial Dr
Remington Education Center
All resolvedCafe Teresa
Winnies Creative Kindergarten
Sunburst Condos
Gingerbread House
New Leis Garden
Rolling Meadows Condo Assoc
Holton
Twin Gate Farm
The Woodlands/East
Bitim Apartments
Comcast Cable Comms/Office
Indian Rock Office Park Ii
R&B Development
Spinnaker Shores
Londonderry Apts Ii
Londonderry Presbyterian Chrch
Homestead Restauran And Lounge
Pixie Pre Sch
Adventures In Learning Daycare
Four Seasons Professional Bldg
Hilltop Mobile Home Park
So Londonderry Kindergarten
Londonderry Professional Ctr.
Plaza 28
Londonderry Professional Park
Whispering Pines
La S Restaurant
Kendalwood Association Ii
Criss Cross Restaurant
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Exceeds limitSampled: Jan 2024
How Does This Compare?
Londonderry (03053) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 25.
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.