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City water profile

Woodland water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Woodland, California.

Median indexed hardness

184PPM

2 indexed ZIPs

Range 183.5–183.5 PPM

State comparison
5 PPM below
State hardness rank
#143 of 242
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Woodland has 2 published ZIP profiles across Yolo County. The indexed median is 184 PPM, compared with 189 PPM across California.

Among the 242 Californiacities with an indexed median, Woodland ranks #143from highest to lowest. Across all 678 state ZIP profiles, available estimates run from 3.3to 728.5 PPM.

The 183.5–183.5 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard2 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
23.2 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Jan 13, 2016 to Jun 3, 2026.

ZIP directory

Water reports in Woodland

Open a ZIP for site-level provenance and measurements.

ZIP code

95695

Very Hard

183.5 PPM

Nearest site
23.2 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

95776

Very Hard

183.5 PPM

Nearest site
19.9 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

City Of Woodland

PWSID CA5710006

Surface water
System population served
61,462
Last reported
Jun 22, 2026

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

Woodland-Davis Clean Water Agency

PWSID CA5710012

Surface water
System population served
0
Last reported
Jun 22, 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. 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 Woodland

Is the water hard?

The indexed city median is 184 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.