Looking for a water treatment pro in Folsom, CA? Describe your project once and up to three water treatment pros who work in Folsom and Sacramento County get back to you with a quote. It's free and there is no obligation.
Folsom is home to about 88,091 people (2024 Census Bureau estimate), a growing community (+9.5% since 2020). With 3,160 people per sq mi, it is a suburban area. Hard water, well water and new PFAS limits are making water treatment a common project here.
Folsom at a glance
- Population (Census Bureau estimate, 2024)
- 88,091 (+9.5% since 2020)
- Rank in California
- 92nd of 482 cities and towns
- Land area
- 28 sq mi
- Population density
- 3,160 people per sq mi (suburban)
- Type
- City (Folsom city)
- Main county
- Sacramento County
What to check before hiring in Folsom
- Test first: check your utility's annual water report or test your well.
- Certification: choose NSF/ANSI certified systems.
- Maintenance: ask about filter changes and service costs.
- Price drivers: system type, flow rate, plumbing and maintenance.
Useful official resources
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EPA: PFAS
Official information and guidance.
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NSF: certified water filters
Official information and guidance.
Services available in Folsom
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Whole house filtration
Point-of-entry filtration for the whole home, sized from a water test.
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Water softener or reverse osmosis
Softener for hard water or reverse osmosis for drinking water.
Frequently asked questions in Folsom
How much does water filtration cost in Folsom, CA?
It depends on the system and installation. Describe your situation: pros who serve Folsom reply with a quote.
Does it need a permit?
Sometimes, for plumbing changes; ask the installer.
How often are filters changed?
It depends on the system and water use; ask for the schedule.
Which water treatment pros will contact me?
Up to three independent water treatment pros who serve Folsom and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.