Northfield, MA 01360

2 water systems1,459 residents

Moderate water quality - consider filtration

C

Score: 49/100

Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.

Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts

68

Contaminants Detected

172

Violations on Record

13

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count0 / 25
Violation History14 / 25
Contaminant Severity17 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score49%

49 / 100 points

Recommended Water Filters

  • Point-of-Use Carbon Filter (NSF-certified for lead)
  • Reverse Osmosis or Ion Exchange Filter
  • Ultraviolet (UV) Purification
  • Activated Carbon Filter (disinfection byproducts)
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Northfield vs MA & National Average

Detected Contaminants

68 contaminants detected across water systems serving this ZIP code

ContaminantCategory
AtrazineAgricultural
GlyphosateAgricultural
NitrateAgricultural
NitriteAgricultural
SimazineAgricultural
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
Antimony, TotalHeavy Metal
Lead and Copper RuleHeavy Metal
Coliform (TCR)Microorganism
1,1,1-TrichloroethaneOther
1,1,2-TrichloroethaneOther
1,2-DIBROMO-3-CHLOROPROPANEOther
1,2-DichloropropaneOther
2,3,7,8-TCDDOther
2,4-DOther
2,4,5-TPOther
AldicarbOther
Aldicarb sulfoneOther
Aldicarb sulfoxideOther
Benzo(a)pyreneOther
BHC-GAMMAOther
CarbofuranOther
ChlordaneOther
Consumer Confidence RuleOther
DalaponOther
Di(2-ethylhexyl) adipateOther
Di(2-ethylhexyl) phthalateOther
DICHLOROMETHANEOther
DinosebOther
DiquatOther
EndothallOther
EndrinOther
ETHYLENE DIBROMIDEOther
HeptachlorOther
Heptachlor epoxideOther
HexachlorocyclopentadieneOther
LASSOOther
MethoxychlorOther
OXAMYLOther
PentachlorophenolOther
PicloramOther
Surface Water Treatment RuleOther
Total Polychlorinated Biphenyls (PCB)Other
ToxapheneOther
TritiumOther
38-STRONTIUM-90Radiological
Gross Beta Particle ActivityRadiological
Radium-226Radiological
Radium-228Radiological
1,1-DichloroethyleneVolatile Organic
1,2-DichloroethaneVolatile Organic
1,2,4-TrichlorobenzeneVolatile Organic
BenzeneVolatile Organic
Carbon tetrachlorideVolatile Organic
CHLOROBENZENEVolatile Organic
cis-1,2-DichloroethyleneVolatile Organic
EthylbenzeneVolatile Organic
HEXACHLOROBENZENEVolatile Organic
o-DichlorobenzeneVolatile Organic
p-DichlorobenzeneVolatile Organic
StyreneVolatile Organic
TetrachloroethyleneVolatile Organic
TolueneVolatile Organic
trans-1,2-DichloroethyleneVolatile Organic
TrichloroethyleneVolatile Organic
Vinyl chlorideVolatile Organic
Xylenes, TotalVolatile Organic

Water System Information

Systems Serving This ZIP:
EAST NORTHFIELD WATER CO, NORTHFIELD WATER DISTRICT
Population Served:
1,459
Systems With Violations:
2 of 2
Major Violations:
1
Enforcement Actions:
168

Frequently Asked Questions

What does the grade mean?

Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.

Is my tap water safe to drink?

Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.

How often is the data updated?

We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.

What filters do you recommend?

Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.