Is tap water safe in Alexandria?

EPA SDWIS shows no active health-based violation in this profile's reporting window. That is not the same as proving every contaminant is absent, and federal data can lag state and utility records.

How hard is the water in Alexandria, VA?

Nearby USGS observations produce an estimate of 67.6 ppm (4 grains per gallon), classified as moderately hard. This is not a tap measurement.

Do I need a water softener in ZIP code 22305?

There is no high-hardness trigger in this profile. Confirm conditions with an at-home hardness test before purchasing equipment.

City water profile

Alexandria water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Alexandria, Virginia.

Median indexed hardness

67PPM

6 indexed ZIPs

Range 65.9–67.6 PPM

State comparison: 33 PPM above
State hardness rank: #21 of 37
Matched utilities: 1
Active health records: 0

City summary

What the indexed records say

Alexandria has 6 published ZIP profiles across Alexandria City County. The indexed median is 67 PPM, compared with 34 PPM across Virginia.

Among the 37 Virginiacities with an indexed median, Alexandria ranks #21from highest to lowest. Across all 133 state ZIP profiles, available estimates run from 9to 253 PPM.

The 65.9–67.6 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard6 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

6 of 6 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 7.3 miles
Profiles with evidence: 6/6

Confidence labels

High: 0Moderate: 6Low: 0

Alexandria, City Of

PWSID VA6510010

Surface water

System population served: 159,200
Last reported: May 19, 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.

No violation records are included in the current lookback window.

Practical next steps

Move from index to evidence

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

Continue comparing

Other Virginia communities

Fort Belvoir

Fairfax County

68 PPM median

Martinsville

Henry County

65 PPM median

Lynchburg

Campbell County

74 PPM median

Fredericksburg

Fredericksburg City County

76 PPM median

Manassas

Manassas City County

84 PPM median

Franklin

Southampton County

88 PPM median

Search all 37 Virginia cities →

Questions people ask

About water in Alexandria

Is the water hard?

The indexed city median is 67 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.