Madison, VA 22727

4 water systems14,732 residents

Poor water quality - filtration recommended

D

Score: 25/100

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

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

66

Contaminants Detected

561

Violations on Record

114

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count0 / 25
Violation History7 / 25
Contaminant Severity0 / 25
System Compliance4 / 15
Enforcement History0 / 10
Total Score25%

25 / 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)
  • Whole Home Carbon Filter System
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Madison vs VA & National Average

Detected Contaminants

66 contaminants detected across water systems serving this ZIP code

ContaminantCategory
AtrazineAgricultural
NitrateAgricultural
SimazineAgricultural
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
ArsenicHeavy Metal
BariumHeavy Metal
CadmiumHeavy Metal
ChromiumHeavy Metal
Lead and Copper RuleHeavy Metal
MercuryHeavy Metal
SeleniumHeavy Metal
FluorideInorganic
Coliform (TCR)Microorganism
Revised Total Coliform RuleMicroorganism
1,1,1-TrichloroethaneOther
1,1,2-TrichloroethaneOther
1,2-DIBROMO-3-CHLOROPROPANEOther
1,2-DichloropropaneOther
2,4-DOther
2,4,5-TPOther
Benzo(a)pyreneOther
CarbofuranOther
CARBON, TOTALOther
ChlordaneOther
DalaponOther
Di(2-ethylhexyl) adipateOther
Di(2-ethylhexyl) phthalateOther
DICHLOROMETHANEOther
DinosebOther
EndrinOther
ETHYLENE DIBROMIDEOther
HeptachlorOther
Heptachlor epoxideOther
HexachlorocyclopentadieneOther
LASSOOther
Long Term 2 Enhanced Surface Water Treatment RuleOther
MethoxychlorOther
OXAMYLOther
PentachlorophenolOther
PicloramOther
Stage 1 Disinfectants and Disinfection Byproducts RuleOther
Surface Water Treatment RuleOther
Total Polychlorinated Biphenyls (PCB)Other
ToxapheneOther
Combined Radium (-226 and -228)Radiological
Combined UraniumRadiological
Gross Alpha, Excl. Radon and URadiological
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:
RSA ROUTE 20, RSA ROUTE 15, WILDERNESS, MADISON, TOWN OF
Population Served:
14,732
Systems With Violations:
3 of 4
Major Violations:
401
Enforcement Actions:
552

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.