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City water profile

Biddeford water quality

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

Median indexed hardness

76PPM

2 indexed ZIPs

Range 74–77.6 PPM

State comparison
37 PPM above
State hardness rank
#18 of 110
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Biddeford has 2 published ZIP profiles across York County. The indexed median is 76 PPM, compared with 39 PPM across Maine.

Among the 110 Mainecities with an indexed median, Biddeford ranks #18from highest to lowest. Across all 131 state ZIP profiles, available estimates run from 3.2to 94.5 PPM.

The 74–77.6 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

Soft0 ZIPs
Moderately hard2 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
50.2 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: Jan 20, 2016 to Mar 17, 2026.

ZIP directory

Water reports in Biddeford

Open a ZIP for site-level provenance and measurements.

ZIP code

04005

Moderately Hard

74 PPM

Nearest site
47.6 mi
Confidence
Low

View full ZIP evidence →

ZIP code

04006

Moderately Hard

77.6 PPM

Nearest site
50.2 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Maine Water Company Biddeford Saco Div

PWSID ME0090170

Surface water
System population served
42,508
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
Interim Enhanced Surface Water Treatment RuleME0090170Aug 1, 2021Resolved · health-based

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 Biddeford

Is the water hard?

The indexed city median is 76 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.