Ramsay, MT 59748

1 water system97 residents

Poor water quality - filtration recommended

D

Score: 31/100

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

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

23

Contaminants Detected

119

Violations on Record

0

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count2 / 25
Violation History10 / 25
Contaminant Severity25 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score31%

31 / 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.

Ramsay vs MT & National Average

Detected Contaminants

23 contaminants detected across water systems serving this ZIP code

ContaminantCategory
Nitrate-NitriteAgricultural
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
Antimony, TotalHeavy Metal
BariumHeavy Metal
Beryllium, TotalHeavy Metal
CadmiumHeavy Metal
ChromiumHeavy Metal
Lead and Copper RuleHeavy Metal
MercuryHeavy Metal
NickelHeavy Metal
SeleniumHeavy Metal
Thallium, TotalHeavy Metal
FluorideInorganic
Coliform (TCR)Microorganism
Revised Total Coliform RuleMicroorganism
AldicarbOther
Aldicarb sulfoneOther
Aldicarb sulfoxideOther
CarbofuranOther
Consumer Confidence RuleOther
Groundwater RuleOther
OXAMYLOther

Water System Information

Systems Serving This ZIP:
RAMSAY WATER AND SEWER DISTRICT
Population Served:
97
Systems With Violations:
1 of 1
Major Violations:
90
Enforcement Actions:
119

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.