Well water in Litchfield, Maine
In Litchfield, 41% of 249 private wells tested had arsenic above the Maine guideline (10 ug/L), according to Maine CDC.
265 private wells tested in state summaries; 15 individual samples from 7 wells, 1982 to 2007. Data refreshed September 3, 2026.
What homeowner tests found
Maine Tracking Network 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.
What individual samples found
Each row summarizes every public sample for that contaminant inside Litchfield. Above limit means above the EPA maximum contaminant level; where EPA has no enforceable limit, the row shows a health guideline or nuisance level instead.
| Contaminant | Samples | Detected | Above limit | Median | Highest | Limit | |
|---|---|---|---|---|---|---|---|
| Arsenic 2002 to 2007 | 15 | 100% | 67% | 55 | 410 | 10 ug/L EPA limit |
Sampled fewer than 10 times, too few to summarize: Nitrate (6), Uranium (4), Copper (1), Chloride (5), Manganese (5), Sodium (1), Iron (1).
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What this means
Among homeowners in Litchfield who sent a sample to the state lab, the health-based limits most often exceeded were arsenic (41% of 249 wells), uranium (4% of 201 wells), and fluoride (2% of 252 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 Litchfield
- Volatile organic compounds (VOCs)4 leaking underground storage tank sites on record locally.
- PFAS1 unlined landfill on record locally.
- Metals panel2 hazardous waste sites on record locally.
- Manganese5% of 220 local wells tested were above the Maine guideline.
- Uranium4% of 201 local wells tested were above the Maine guideline.
- Fluoride2% of 252 local wells tested were above the Maine guideline.
- Nitrate<1% of 265 local wells tested were above the Maine guideline.
- Coliform bacteriaRecommended for every private well, every year.
- CopperDetected in 100% of local samples.
- ChlorideDetected in 100% of local samples.
- IronDetected in 100% of local samples.
Wells in Litchfield
484 domestic wells in Litchfield are on record with the state since 1970. 99% are drilled into bedrock, and the typical well is 249 feet deep (one in ten goes past 428 feet).
In a typical Litchfield well, bedrock starts about 10 feet down, the median yield is 7 gallons per minute, 18% 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.
Contamination sources on record in Litchfield
Maine DEP records 4 leaking underground storage tank sites, 1 unlined landfill, and 2 hazardous waste sites in Litchfield, among 8 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.
- 4
- leaking underground storage tank sitesGasoline and heating oil that leaked from tanks move through groundwater as benzene, MTBE and other volatile organic compounds.
- 1
- unlined landfillOlder unlined landfills are a leading source of PFAS, VOCs and metals in nearby wells.
- 2
- hazardous waste sitesSolvents, degreasers and metals from industrial sites can travel far in fractured bedrock.
- 1
- other remediation project
Treatment that fits the local profile
- Arsenic
- Point-of-use reverse osmosis; Adsorptive media (iron-based) whole-house; Anion exchange
- Copper
- Neutralizing filter to raise pH; Point-of-use reverse osmosis
- Chloride
- Point-of-use reverse osmosis; 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
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Common questions
How deep are wells in Litchfield?
The typical domestic well in Litchfield is 249 feet deep, based on 484 wells reported to the state since 1970. One in ten is deeper than 428 feet. 99% are drilled into bedrock.
Is there arsenic in well water in Litchfield?
Arsenic was detected in 100% of 15 public well samples in Litchfield, and 67% were above the EPA limit of 10 ug/L. Arsenic has no taste or smell; a lab test is the only way to know your level.
How often should I test a private well in Litchfield?
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: 38 samples in Litchfield. Data from the Water Quality Portal, a service of USGS, EPA and USDA; groundwater samples collected by USGS and cooperators. Retrieved September 3, 2026.
- Maine Tracking Network private well summaries: summaries for 6 contaminants in Litchfield, up to 265 wells each. Town summaries of private well tests run by the Maine Health and Environmental Testing Laboratory, published by Maine CDC through the Maine Tracking Network. Shares are against Maine's guideline for each analyte (arsenic 10 ug/L, uranium 30 ug/L, fluoride 2 mg/L, manganese 0.3 mg/L, nitrate 10 mg/L, nitrite 1 mg/L). Towns with too few tests are suppressed (NR). Only the share above the guideline and wells tested are published; no medians. Retrieved September 3, 2026.
- Maine Geological Survey well database: 491 well records in Litchfield, 484 domestic. Well construction records reported to the Maine Geological Survey by licensed well drillers. Only aggregates are shown; owner names and addresses are never stored. Retrieved September 3, 2026.
- Maine DEP regulated sites: 8 regulated sites located in Litchfield. Remediation sites, leaking underground storage tanks and closed municipal landfills from the Maine Department of Environmental Protection. 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.