NOTE: This report was published in 2019. Click here to view the most recent report.
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WaterZen Rating

Lead and copper levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

What about Golden State Water - Southwest? How much lead and copper are in your drinking water? And how do those levels compare to other cities in the state? We examined data from hundreds of cities across the nation to understand and grade your water quality.

As you can see, Golden State Water - Southwest received the best-possible grade because the amounts of contaminants found in the water supply were better than the Public Health Goal and most other water providers we've analyzed.

According to Golden State Water - Southwest, water samples were taken in 2017 (view all: reporting years: 2020, 2002, 2000). For more details, you can download the annual water-quality report (also known as the Consumer Confidence Report) here.

To take more action to improve your water quality, check out our guides for the various water-testing and filtration options on the market: water pitchers, filtered water bottles, TDS meters, reverse-osmosis filters, under-sink filters, and whole-house water filters.

Hawthorne has multiple water providers: Golden State Water - Southwest and Hawthorne City Water Department. This page provides water quality information for Golden State Water - Southwest.

A

WaterZen Rating

Lead and copper levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

What about Golden State Water - Southwest? How much lead and copper are in your drinking water? And how do those levels compare to other cities in the state? We examined data from hundreds of cities across the nation to understand and grade your water quality.

As you can see, Golden State Water - Southwest received the best-possible grade because the amounts of contaminants found in the water supply were better than the Public Health Goal and most other water providers we've analyzed.

According to Golden State Water - Southwest, water samples were taken in 2017 (view all: reporting years: 2020, 2002, 2000). For more details, you can download the annual water-quality report (also known as the Consumer Confidence Report) here.

To take more action to improve your water quality, check out our guides for the various water-testing and filtration options on the market: water pitchers, filtered water bottles, TDS meters, reverse-osmosis filters, under-sink filters, and whole-house water filters.

Hawthorne has multiple water providers: Golden State Water - Southwest and Hawthorne City Water Department. This page provides water quality information for Golden State Water - Southwest.

Lead and Copper Levels in the Water

Lead and copper contamination of drinking water most often occurs when service pipes corrode. Homes built before 1986 are more likely to have lead pipes, fixtures, and solder.

Lead

No amounts detected.

View details →
Lowest
Average
Highest
15
Legal limit
(MCL)
0
Golden State Water Company - Southwest

Copper

The level of Copper is higher than the Public Health Goal and lower than most water providers.

View details →
Lowest
Average
Highest
1.3
Legal limit
(MCL)
0.073
Golden State Water Company - Southwest

Ranking of California Cities

How does Golden State Water - Southwest quality compare to other cities in the state?

We compiled and analyzed the levels of contaminant in the water of cities throughout the state, averaged those two numbers for each city, and ranked them accordingly. The grade reflects how each city's overall water quality compares to other cities.

Ranking of Similarly-Sized US Cities

How does Golden State Water - Southwest quality compare to other cities with similar populations?

We've compiled and analyzed contaminant data from water providers which serve similar populations to Golden State Water - Southwest.

Ranking of Large US Cities

How does Golden State Water - Southwest quality compare to large US cities?

We've compiled and analyzed contaminant data from the largest water providers in the country (by population served).

Notice

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