Water Treatment & Softeners in Dover, DE

Compare 19 water treatment & softeners contractors near you in Dover and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 22, 2026

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Other Businesses in This Area

Divine Water Shop

Edgewater Well Service, LLC

5.03+ years online
edgewaterwellservice.com

First State Water Solutions

5.01½+ years online
firststatewatersolutions.comGet a Free Quote

TipaTech: Ecological Whole House Water Filtration Systems

5.011½+ years online
tipatech.com

Culligan of Dover, DE

4.9~28 years online
sharpwater.com

Delmarva Water Solutions

4.914+ years online
delmarvawatersolutions.com

Martin's Water Treatment

4.915+ years online
martinswatertreatment.com

Air Temp Solutions - AC Repair, Heating Repair, Water Heater Repair & Plumbing Dover DE

4.85½+ years online
airtempandplumbing.com/milford/dover-heating-repair-near-me

Benjamin Franklin Plumbing of Dover

4.8~26 years online
benjaminfranklinplumbing.com/doverGet a Free Quote

Mr. Rooter Plumbing of Delmarva

4.730+ years online
mrrooter.com/dover-salisbury

Price Plumbing Inc

4.74 years online
priceplumbingllc.net

Charles Messina Plumbing-Electric & HVAC

4.518½+ years online
callmessina.comGet a Free Quote

Seamless Installation Services, LLC

3.7

Water Treatment & Softeners in Nearby DE Cities

About Water Treatment & Softeners in Dover

Water treatment covers filtration, softening, and purification systems for homes and businesses. Common solutions include whole-home water softeners, reverse osmosis drinking water systems, and iron/sulfur filters. The right system depends on your water source and specific contaminants.

Typical costs: Under-sink reverse osmosis systems run $300–$800 installed. Whole-home water softeners are $1,500–$4,000. Iron filters and multi-stage whole-home systems are $2,000–$6,000+.

Common projects include:
  • Whole-home water softener installation
  • Reverse osmosis drinking water system
  • Iron and sulfur filtration
  • UV water purification
  • Well water treatment systems

Water treatment installations that modify plumbing may require plumbing permits. Well water systems may need additional environmental or health department approval.

Frequently Asked Questions

How much does water treatment & softeners cost in Dover?
An under-sink reverse osmosis system runs $300–$800 installed. A standard water softener is $1,500–$4,000 including installation and plumbing connections. Well water treatment systems with multiple stages (sediment, iron, softener, UV) can run $3,000–$8,000. Annual maintenance (filters, salt) is $100–$300.
How do I find a reliable water treatment & softeners contractor in Dover?
Start with a water test — a good installer will test your water before recommending a system. Ask about ongoing maintenance costs (filter replacements, salt, UV bulb changes). The cheapest system isn't the best deal if filters cost $200 every 6 months.
Do I need a permit for water treatment & softeners in Dover?
Simple point-of-use filters don't need permits. Whole-home systems that tie into the main water line may require a plumbing permit. Well water treatment systems may need health department review in some areas.

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