Water quality report

Nashua, NH
water quality

99
Excellent
City-wide average score

72

Systems serving this city

3

With PFAS detected (UCMR5)

3

Above an EPA PFAS limit

0

Unresolved health violations

Across all community water systems EPA records map to Nashua. PFAS figures are from EPA UCMR5 (2023–25) monitoring; not every system was sampled.

Community water systems serving Nashua

PENNICHUCK WATER WORKS~89,073 people served 100 LITCHFIELD~7,000 people served 75 LONDONDERRY~6,255 people served 77 PENACOOK BOSCAWEN WATER PCT~3,800 people served 100 LITTLE POND ESTATES~3,000 people served 85 LOCKE LAKE~2,280 people served 100 PITTSFIELD AQUEDUCT~1,630 people served 100 BELMONT WATER DEPT~1,612 people served 100 DREW WOODS~1,408 people served 100 POWDER HILL~1,155 people served 100 WILLIAMSBURG~928 people served 100 CABOT PRESERVE~878 people served 100 BROOK PARK ESTS~875 people served 100 GREEN HILLS ESTS~620 people served 100 BIRCH HILL EAST~550 people served 100 W AND E~525 people served 100 MAPLE HILL ACRES~523 people served 100 WHISPERING WINDS~460 people served 100 BADGER HILL~438 people served 100 TWIN RIDGE CONDOS~390 people served 100 AVERY ESTATES~380 people served 100 GOLDEN BROOK~323 people served 100 OAKWOOD TERRACE~307 people served 100 VILLAGES AT STOW~300 people served 100 MINISTERIAL/PARRISH HILLS~298 people served 100 SOUHEGAN WOODS~293 people served 100 GLEN RIDGE DEV~253 people served 100 MAPLE HAVEN~250 people served 100 SPRINGWOOD HILLS~225 people served 100 SUNRISE ESTATES~225 people served 100 HUDSON MOBILE HOME ESTS~220 people served 100 GREAT BAY WATER SYSTEM~218 people served 100 WESCO UTILITIES~200 people served 100 WOODLANDS~198 people served 100 VALLEY FIELD APTS NORTHLAND~188 people served 100 LIBERTY TREE ACRES~183 people served 100 AUTUMN WOODS~180 people served 100 MOUNTAINSIDE AT CROTCHED MTN~180 people served 100 HARVEST VILLAGE~175 people served 100 SMYTHE WOODS~165 people served 100 CLEARWATER ESTATES~163 people served 100 LAMPLIGHTER VILLAGE~162 people served 100 SKY VIEW ESTATES~158 people served 100 BELMONT WATER DEPT/NORTH~150 people served 100 HI AND LO ESTATES~143 people served 100 MEADOWBROOK ACRES MOBILE HOME PARK~137 people served 100 FLETCHER CORNER ESTATES~133 people served 100 FOREST RIDGE~130 people served 100 WINNISQUAM VILLAGE CONDOS~125 people served 100 SPRUCE POND ESTS~118 people served 100 CASTLE REACH~115 people served 100 WHITE ROCK SENIOR LIVING~110 people served 100 STONE SLED FARM~105 people served 100 HARDWOOD HTS BIRCH HILL~100 people served 100 WOOD MEADOW ESTATES~98 people served 100 FARMSTEAD ACRES~90 people served 100 NORTHERN SHORES~88 people served 100 PINEHAVEN WATER TRUST~88 people served 100 THURSTON WOODS~85 people served 100 SHAKER HEIGHTS~83 people served 100

Nashua water FAQ

How is Nashua's water quality scored?

PurityRadar computes a 0–100 score from public EPA records for the community water systems serving Nashua. The city-wide figure shown is the average of those systems.

Where does the data come from?

EPA SDWIS — the federal Safe Drinking Water Information System — covering active community water systems and their health-based violations. Every figure traces back to that public record.

Is this a substitute for testing my tap?

No. System-level data can't account for your home's own plumbing (lead service lines, fixtures). For health decisions, test your tap with a certified lab and confirm with your utility.

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