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Benicia Water Hardness & Quality Report (2026)

Water Hardness

182mg/L
Very Hard

10.6 grains per gallon

Source

mixed

pH Level

8.3

neutral = 7.0

Lead

0.009 mg/L

βœ“ Below action level

TDS

569.9 mg/L

Est. Daily Cost

$0.49

energy & soap waste

Source: USGS Water Quality Portal Β· Updated 2026

182mg/L as CaCO₃Very Hard

0–60

mg/L

Soft

61–120

mg/L

Moderately Hard

121–180

mg/L

Hard

180+

mg/L

Very Hard

Appliance Damage Report

In Benicia, your appliances are currently losing 24% efficiency due to mineral buildup.

ApplianceIn BeniciaSoft Water CityEfficiency Loss
Kettle
3.6 yrs
8.5 yrs-58%
Washing Machine
6.9 yrs
12 yrs-43%
Water Heater
8.3 yrs
15 yrs-45%
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Regional Water Comparison

How Benicia compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
β–Ά Benicia, California182 mg/L7.3 pptπŸ”΄ Very Hardmixed
Martinez, California147.5 mg/L6.3 ppt🟠 Hardmixed
Vallejo, California44.5 mg/L3.3 ppt🟒 Softmixed
Hercules, California50.5 mg/L3.5 ppt🟒 Softmixed
Pleasant Hill, California144 mg/L6.2 ppt🟠 Hardmixed

National Benchmark

How Benicia compares to the USA average

BenchmarkHardnessAppliance Risk
β–Ά Benicia182 mg/LπŸ”΄ High
USA National Avg150 mg/L🟠 Moderate
Badger Top Rated8.5 mg/L🟒 None

Bring Badger-quality water to your Benicia home

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What Makes Benicia's Water Unique?

Local geology and source profile

Source: MixedTDS: 569.9 mg/LpH: 8.3

Benicia, California, in Solano County β€” a major east San Francisco Bay area Solano County historic city (Benicia is a significant Solano County city β€” one of the most historically important cities in California; Benicia served as the state capital of California for 13 months (February 1853 to February 1854 β€” the Benicia State Capitol is preserved as a California State Historic Park and is one of the few remaining 19th century state capitol buildings in the American West); Benicia had previously served as the site of the first United States Army Arsenal in the Pacific (Benicia Arsenal, established 1847 β€” one of the most important early US military logistics installations on the Pacific Coast)), home of the Benicia Industrial Park (one of the most significant industrial complexes in the San Francisco Bay Area β€” home of major chemical and manufacturing companies including Valero Energy's Benicia Refinery (one of the most important petroleum refineries in California)), a diverse Solano County community with a significant artistic and historic preservation population, adjacent to Vallejo in the Carquinez Strait corridor β€” draws its municipal water supply via the Benicia Water Utility. Water hardness in Benicia measures 182 mg/L β€” classified as hard.

Benicia's hard supply reflects the Solano County north Bay Area Sacramento River blend's calcareous-moderate character. The North Bay Aqueduct delivers Sacramento River supply to Benicia with limited softening, producing the hard 182 mg/L.

At 182 mg/L, Benicia residents face regular hard water challenges. Monthly descaling and water softeners are recommended. Benicia Water Utility consistently delivers water meeting all California SWRCB and EPA Safe Drinking Water Act requirements.

Geology & Source: River supply from the Sacramento River (Solano County via the North Bay Aqueduct) via the Benicia Water Utility β€” the Solano County east San Francisco Bay area Benicia corridor (Quaternary calcareous-moderate Sacramento–San Joaquin Delta alluvium and Pliocene calcareous-moderate Tehama Formation β€” the calcareous-moderate north Bay Area Solano County Sacramento River blend; limited softening); hard supply at 182 mg/L in Solano County.

Other California Water Reports

Frequently Asked Questions

Is Benicia's water safe to drink?
Yes. Benicia's water meets all federal safety standards. The hardness is 182 mg/L (Very Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Benicia?
At 182 mg/L (Very Hard), Benicia's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 24%.
How does Benicia compare to the USA average?
The USA national average is 150 mg/L. Benicia at 182 mg/L is 32 mg/L above the national average. The softest major city is Badger at just 8.5 mg/L.
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