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City water profile

Farmington water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Farmington, Maine.

Median indexed hardness

36PPM

2 indexed ZIPs

Range 35.6–35.6 PPM

State comparison
3 PPM below
State hardness rank
#90 of 110
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Farmington has 2 published ZIP profiles across Franklin County. The indexed median is 36 PPM, compared with 39 PPM across Maine.

Among the 110 Mainecities with an indexed median, Farmington ranks #90from highest to lowest. Across all 131 state ZIP profiles, available estimates run from 3.2to 94.5 PPM.

The 35.6–35.6 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft2 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
29.7 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: May 23, 2016 to Jul 12, 2023.

ZIP directory

Water reports in Farmington

Open a ZIP for site-level provenance and measurements.

ZIP code

04938

Soft

35.6 PPM

Nearest site
28.4 mi
Confidence
Low

View full ZIP evidence →

ZIP code

04992

Soft

35.6 PPM

Nearest site
29.7 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Farmington Village Corp Water Dept

PWSID ME0090540

Groundwater
System population served
4,050
Last reported
May 13, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Farmington Falls Std Water Dist

PWSID ME0090530

Groundwater
System population served
225
Last reported
May 13, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Revised Total Coliform RuleME0090530Sep 1, 2024Resolved
Consumer Confidence RuleME0090540Jul 1, 2024Resolved
Consumer Confidence RuleME0090530Jul 1, 2024Resolved
Lead and Copper RuleME0090540Dec 30, 2023Resolved
Lead and Copper RuleME0090530Dec 30, 2023Resolved
Consumer Confidence RuleME0090530Jul 1, 2021Resolved

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Farmington

Is the water hard?

The indexed city median is 36 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.