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City water profile

Fredericksburg water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Fredericksburg, Texas.

Median indexed hardness

315PPM

One indexed ZIP

Range 315–315 PPM

State comparison
204 PPM above
State hardness rank
#51 of 523
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Fredericksburg has 1 published ZIP profile across Gillespie County. The indexed median is 315 PPM, compared with 111 PPM across Texas.

Among the 523 Texascities with an indexed median, Fredericksburg ranks #51from highest to lowest. Across all 1,026 state ZIP profiles, available estimates run from 5.4to 500.5 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard1 ZIP

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
23.7 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 19, 2016 to Jun 2, 2026.

ZIP directory

Water reports in Fredericksburg

Open a ZIP for site-level provenance and measurements.

ZIP code

78624

Very Hard

315 PPM

Nearest site
23.7 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

City Of Fredericksburg

PWSID TX0860001

Groundwater
System population served
11,257
Last reported
Jun 26, 2026

A municipal system, in-state city, and served county all agree with this Census 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
Lead and Copper RuleTX0860001Oct 1, 2025Unaddressed
LEAD AND COPPER RULE REVISIONSTX0860001Jul 2, 2025Resolved
Consumer Confidence RuleTX0860001Jul 1, 2025Resolved
Lead and Copper RuleTX0860001Mar 31, 2024Resolved
Lead and Copper RuleTX0860001Dec 30, 2022Resolved

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 Fredericksburg

Is the water hard?

The indexed city median is 315 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.