Choose a country: United States
Basalt Tap Water Quality Report
Basalt's water has 3 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
No single water system serves most of Basalt (4,001 residents, Census 2024 estimate). Its large systems are BASALT TOWN OF (EPA counts 2,357 people served, about 59% of Basalt's population); MID VALLEY MD (EPA counts 4,500 people served, more than Basalt's population). EPA's counts may include people served outside Basalt, so each share is at most that. Check which one bills you: each system's figures are shown separately below.
- BASALT TOWN OF: 124 contaminants tested, 3 above EPA MCLGs; health-based violations since 2020: 0
- MID VALLEY MD: 110 contaminants tested, 4 above EPA MCLGs; health-based violations since 2020: 0
Other systems listed for Basalt with results above guidelines: MID VALLEY MD (4 above guidelines)
Water systems
2 large systems
Residents (Census 2024)
4,001
Health-based violations since 2020
0
BASALT TOWN OF. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jul 2025 · BASALT TOWN OF
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Basalt Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Basalt's water has 3 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
BASALT TOWN OF, Basalt's water system, serves 2,357 people. 1 other system is listed for Basalt. Each system's results are listed under its own name, never added to BASALT TOWN OF's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for BASALT TOWN OF is from Jul 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Colorado
Basalt Water Service Areas
What these numbers actually mean for Basalt, CO
We read Basalt, CO’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 3 contaminants above EPA MCLGs and 7 contaminants with an EPA health goal detected in some samples (no level on file)
- 124 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Basalt's water
MID VALLEY MD
PWSID CO0119508
MID VALLEY MD reported 0.17 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
BASALT TOWN OF
PWSID CO0119134
BASALT TOWN OF reported 0.185 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
Free forever. Unsubscribe anytime. We never share your email.
Recommended Water Filters for Basalt
Based on Basalt's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)
AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium
Waterdrop
A1
NSF Certified:
Flow Rate
0.042 gpm
Daily Production
130 gpd
Highlights:
- Built-in UV sterilization
- Easy maintenance with filter change reminders
- NSF-58 certified
- Hot and cold water dispensing
Removes 12 contaminants:
+7 more
Molybdenum, Sulfate, Strontium, Phosphorus, Chlorine, Barium, Nitrate
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs and 7 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
With 3 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Basalt's water readings can explain
We publish a city-level hardness figure for Basalt, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Basalt? Public-water results do not apply to private wells. See Eagle County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Basalt
Basalt's tap water measures 5.7 grains per gallon (98.0 mg/L) — moderately hard on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for 5.7 gpg water in Basalt — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For Colorado as a whole, read water softener cost in Colorado — priced against the plumber wage published for the state.
Frequently Asked Questions About Basalt Tap Water
Basalt's water has 3 contaminants above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach BASALT TOWN OF. For a problem with your water now (discolored water, no water, low pressure, a leak), contact BASALT TOWN OF directly.
Check another location
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
One email a week. Unsubscribe anytime.