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Water Hardness in 93313

Bakersfield, California · Kern County

171 PPM
10 GPG
Moderately Hard
0Soft60120180300+
Verified — State Lab Tested

Dataset updated March 9, 2026Matched to 25 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 25 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
3 verified treated-water sources
25 matched systems total for this ZIP; treated-water reports are prioritized when available.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
Report years 2024
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 93313

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

25 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Cws - Bakersfield
CA1510003
Soft
51 PPMsurface water267,881 servedVerified — State Lab Tested
Source water: 192 PPM
Bakersfield, City Of
CA1510031
Very Hard
500 PPMsurface water160,144 servedVerified — State Lab Tested
Source water: 192 PPM
Delano, City Of
CA1510005
Moderately Hard
146 PPMgroundwater51,428 servedHigh Confidence — USGS Monitoring
Oildale Mwc
CA1510015
Slightly Hard
113 PPMsurface water44,899 servedHigh Confidence — USGS Monitoring
Indian Wells Valley W.D.
CA1510017
Moderately Hard
125 PPMgroundwater41,580 servedEstimated — County Avg
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

933111719330717193241171932031719330417193309171933011719330517193312171932681719322217293276171

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Moderately Hard Water

Your water is moderately hard. You're likely seeing scale buildup on fixtures, spotty dishes, and may notice dry skin or hair. A water softener or conditioner can help.

Recommended Products

Water Hardness Test Kit
Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)
Salt-Free Water Conditioner
Our PickSpringWell Salt-Free Cartridge
Salt-Based Water Softener
Our PickAFWFilters Fleck 5600SXT 48KAlso GreatWhirlpool WHES40E 40KAlso GreatAFWFilters 64K GrainAlso GreatAFWFilters Iron Pro 2 64KAlso GreatSpringWell Filter + Softener Combo
Shower Head Filter
Our PickWeddell DuoAlso GreatAquaBliss SF100Also GreatSprite Pure 7-SettingAlso GreatAqua Earth 20-Stage

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How to Test Your Water

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Bakersfield, CA (93313).

Submit Your Data

Frequently Asked Questions

Is the water hard in Bakersfield, CA (93313)?

The average water hardness in 93313 is 171 PPM (10 GPG), which is classified as moderately hard.

Do I need a water softener in 93313?

With hardness of 171 PPM, a water softener is worth considering for homes in 93313.

Is hard water in 93313 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 93313?

Zip code 93313 in Bakersfield, California is served by 25 water systems.

Learn More About Your Water

Do You Need a Water Softener? (Based on Your Water Hardness)

A data-driven guide to help you decide if a water softener is worth the investment based on your actual water hardness level.

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Salt-Based vs Salt-Free Water Softener: Which Do You Need?

Salt-based softeners remove hardness minerals. Salt-free conditioners prevent scale but don't soften. Here's how to choose based on your water hardness level.

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Best Shower Filters for Hard Water (2026 Reviews)

We tested KDF, Vitamin C, and carbon shower filters for hard water. Here are the filters that actually reduce mineral buildup on hair and skin.

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