Well Water Nerd

Well water in Hartland, Vermont

In Hartland, <1% of 112 private wells tested had arsenic above the Vermont limit (10 ug/L), according to the Vermont Department of Health.

119 private wells tested in state summaries; 3 individual samples from 1 wells, 1971. Data refreshed September 3, 2026.

What homeowner tests found

Vermont Tracking private well summaries: private wells tested and reported to the state. Shares are against the level the state applies to each contaminant, named in the last column; several are stricter than EPA.

ContaminantWells testedAbove state levelMedian95th pctHighestState level
Arsenic112<1%**1210 ug/L
Fluoride1190%0.050.230.434 mg/L
Uranium1070%151120 ug/L
Gross alpha
Gross Alpha
840%2.810.314.315 pCi/L
Nitrate520%0.251.022.6110 mg/L
Radon260%80419802,0904,000 pCi/L

* suppressed by the publisher because too few wells were tested.

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What this means

Among homeowners in Hartland who sent a sample to the state lab, the health-based limits most often exceeded were arsenic (<1% of 112 wells). These are ordinary wells tested by their owners, so the shares are the best available picture of a typical well here, with one caveat: people test more often when they suspect a problem.

What to test for in Hartland

  • Volatile organic compounds (VOCs)7 leaking underground storage tank sites on record locally.
  • Metals panel3 hazardous waste sites on record locally.
  • Arsenic<1% of 112 local wells tested were above the Vermont limit.
  • Coliform bacteriaRecommended for every private well, every year.
  • FluorideDetected in 100% of local samples.
  • ManganeseDetected in 100% of local samples.
  • IronDetected in 100% of local samples.
  • ChlorideDetected in 100% of local samples.
  • NitrateRecommended for every private well, especially near farms or septic systems.

Wells in Hartland

389 domestic wells in Hartland are on record with the state since 1996. 99% are drilled into bedrock, and the typical well is 400 feet deep (one in ten goes past 525 feet).

In a typical Hartland well, bedrock starts about 8 feet down, the median yield is 3.5 gallons per minute, 40% of wells yield under 3 gallons per minute and usually need a storage tank.

Bedrock wells are where arsenic, uranium and radon come from: the water sits in fractures in granite and metamorphic rock and picks up whatever the rock carries. That is why testing for those three matters more here than in a dug or gravel well.

83
1990s
153
2000s
93
2010s
58
2020s

Contamination sources on record in Hartland

Vermont ANR records 7 leaking underground storage tank sites, 3 hazardous waste sites, and 3 reported spills and releases in Hartland, among 22 regulated sites in total. Groundwater does not follow property lines, so a well within a few hundred feet of one of these is worth testing for what that site could release.

7
leaking underground storage tank sitesGasoline and heating oil that leaked from tanks move through groundwater as benzene, MTBE and other volatile organic compounds.
3
hazardous waste sitesSolvents, degreasers and metals from industrial sites can travel far in fractured bedrock.
3
reported spills and releasesMost spills are fuel; a few are solvents or chemicals that reach the water table.
9
registered underground storage tank sitesRegistered tanks are regulated and inspected; they matter most when they are old or near a shallow well.

Treatment that fits the local profile

Fluoride
Point-of-use reverse osmosis; Activated alumina; Distillation
Manganese
Oxidizing filter (greensand, birm) whole-house; Water softener (low levels); Point-of-use reverse osmosis
Iron
Oxidizing filter whole-house; Water softener (low levels); Aeration plus filtration
Chloride
Point-of-use reverse osmosis; Distillation

Book a free water test in Hartland

A licensed local water treatment company tests your tap water in your home, walks you through the numbers, and quotes treatment only if something needs fixing. Free, about 30 minutes, no obligation.

What are you worried about?

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Common questions

How deep are wells in Hartland?

The typical domestic well in Hartland is 400 feet deep, based on 389 wells reported to the state since 1996. One in ten is deeper than 525 feet. 99% are drilled into bedrock.

How often should I test a private well in Hartland?

Test for bacteria and nitrate every year. Test once for arsenic, uranium, radon, fluoride, manganese and PFAS, then again every three to five years or after any change in taste, color, or plumbing.

Sources

  • USGS Water Quality Portal: 18 samples in Hartland. Data from the Water Quality Portal, a service of USGS, EPA and USDA; groundwater samples collected by USGS and cooperators. Retrieved September 3, 2026.
  • Vermont Tracking private well summaries: summaries for 6 contaminants in Hartland, up to 119 wells each. Town summaries of private well tests reported to the Vermont Department of Health, published through Vermont Environmental Public Health Tracking. Shares are against the limit Vermont applies to each analyte: arsenic 10 ug/L, uranium 20 ug/L (stricter than EPA), fluoride 4 mg/L, nitrate 10 mg/L, gross alpha 15 pCi/L, radon 4,000 pCi/L advisory. Only towns with 20 or more results are published; statistics below the reporting limit show as *. Retrieved September 3, 2026.
  • Vermont ANR well completion reports: 414 well records in Hartland, 389 domestic. Well completion reports filed with the Vermont Agency of Natural Resources since 1966. Only aggregates are shown; owner names and addresses are never stored. Retrieved September 3, 2026.
  • Vermont ANR regulated sites: 22 regulated sites located in Hartland. Hazardous waste sites, landfills and underground storage tanks from the Vermont Agency of Natural Resources. Retrieved September 3, 2026.

Non-detects count as samples and are treated as zero when computing medians. Exactly at the limit counts as not above it. A sample belongs to the town containing the well's reported coordinates.