Memorial Day closure: City Hall closed, no street sweeping on Monday, May 26, 2025. Learn more about affected services.    

Archives: FAQs

For safe measure, should I drink bottled water or use a water filter?

No, it’s unnecessary! Bottled water and tap water are regulated by different agencies. Tap water actually has more stringent reporting requirements, such as providing customers with a printed Water Quality Report each year. Bottled water suppliers aren’t required to share this data, but some might if asked. The water from the City of Santa Ana … Continued

Is my tap water hard? What is the hardness level in Santa Ana’s tap water?

Tap water hardness varies because it absorbs minerals like calcium and magnesium as it passes through soil and rock. These minerals aren’t harmful and can actually supplement essential nutrients in your body. In Santa Ana, as in much of Southern California, hard water is common due to elevated levels of these minerals. Santa Ana’s water … Continued

What causes the white residue in my pots and cookware or spots on my glassware?

The white residue or spots on your glassware are typically caused by minerals like calcium and magnesium found naturally in water. These minerals are common in what’s known as “hard” water. However, they don’t pose any health risks; in fact, they can contribute to your daily intake of calcium and magnesium, which are important nutrients … Continued

Why does my home’s water pressure seem high?

Water pressure in Santa Ana can vary from around 50 psi to 100 psi across the distribution system. This fluctuation happens because of routine water system operations and peak water use times. Factors like building water softeners, plumbing restrictions, and point-of-use treatment devices can also influence water pressure on your property. The City can’t adjust … Continued

How are income limits determined?

We follow HUD guidelines for our low income category and the state’s Housing and Community Development guidelines for our moderate income category.

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