Maryland Water Purification Services
Water Purification Systems
Your family’s health starts with clean water. We provide expert services in installing and maintaining advanced water purification systems. Whether you need a new setup or routine service on an existing one, we are here to make sure your home’s tap delivers the best quality possible.
Need Water Purification?
Even treated city water can contain impurities that affect your home and health. If you notice any of the following, it may be time to consider a purification system:
- Water has a metallic, chlorine, or sulfur-like taste or odor
- Skin irritation or dryness after bathing
- Staining on sinks, tubs, or laundry
- Water appears cloudy or discolored
- Unusual residue or particles in drinking water
- Health concerns related to waterborne contaminants
- Positive results from a home or professional water test
- Using bottled water due to poor tap water quality
- Living near industrial, agricultural, or older plumbing infrastructure
A One Stop Shop for Home Water Purification
- Whole-House Filtration Systems
Tired of hard water, chlorine smell, or sediment buildup in your pipes? A whole-house filtration system treats every drop as it enters your home, improving water quality at every faucet.
We install tailored systems that may include carbon filtration, sediment removal, and UV treatment based on your home’s water quality.
Cleaner water, fewer stains, and better-tasting showers—all from one central solution.
- Reverse Osmosis Drinking Water Systems
If you want truly purified water at the tap, reverse osmosis is one of the most effective solutions.
Our under-sink RO systems offer:
• Multi-stage filtration that removes up to 99% of contaminants
• Targeted removal of lead, fluoride, arsenic, and chlorine
• Compact storage and dedicated purified water faucetIdeal for families, home cooks, or anyone who wants bottled-quality water without the waste.
- Custom System Design and Installation
Every home and every water supply is different. That’s why we don’t sell off-the-shelf solutions—we design purification systems to match your actual water profile.
We begin with a complete water analysis and walk you through the findings before recommending a system. Our team handles the entire install from start to finish, so you know it’s done right.
- Filter Replacement and System Maintenance
Even the best filtration system needs regular care to stay effective.
We offer scheduled maintenance that includes:
• Pre-filter and post-filter changes
• UV system checks and bulb replacement
• System flushing and leak checks
• Performance tuning and testingWe’ll handle the upkeep so your system keeps working without interruption.
- Water Testing and Contaminant Identification
Not sure what’s in your water? We can help.
We test for:
• Heavy metals like lead, copper, and arsenic
• Bacteria, viruses, and microbial contamination
• Hardness, pH, chlorine, and TDS levelsOnce the results are in, we’ll explain what they mean and recommend the right solutions—no pressure, just facts.
Why homeowners trust Crystal Water Plumbing
Upfront pricing, no hidden fees
Clear, itemized quotes with multiple options to fit your budget. Permits and inspections included. No surprise charges, ever.
Home Protection
We protect your home with boot covers, drop cloths, and dust barriers, then leave it spotless after every job.
5-star expert technicians
With 80+ years of experience, our licensed team arrives on time, respects your home, and delivers quality work every time
24/7 emergency service
24/7 availability with a 1-hour average response time. Our fully stocked vans ensure we’re ready to resolve most issues on the spot.
Frequently Asked Questions
Water heaters can develop issues over time, whether you have a traditional tank system or a newer tankless unit. At Crystal Water Plumbing, we help homeowners across Maryland and the D.C. Metro area get to the bottom of their water heater problems quickly and accurately. Here are a few of the most common issues we repair:
- Why should I consider installing a water purification system?
Even treated city water can contain impurities that affect your home and health. If you notice metallic, chlorine, or sulfur-like tastes or odors in your water, skin irritation after bathing, staining on sinks and tubs, cloudy or discolored water, unusual residue in drinking water, health concerns related to contaminants, positive results from a home test, reliance on bottled water due to poor tap quality or proximity to industrial areas—it’s time to consider a purification system.
- What types of systems do you offer for whole-house filtration?
We provide whole-house filtration systems designed around your home’s specific needs. These may include carbon filtration for removing chemicals like chlorine; sediment removal for clearer pipes; and UV treatment for eliminating bacteria—all aimed at improving the overall quality of every drop entering your home.
- How does reverse osmosis work as part of my drinking water solution?
Reverse osmosis (RO) is one of the most effective methods available today—it uses multi-stage filters capable of removing up 99% percent contaminants such as lead fluoride arsenic & more! Our under-sink RO units come with compact storage space plus dedicated faucets delivering purified H20 directly where needed most!
Real reviews from your neighbors
Areas We Serve
Crystal Water Plumbing proudly serves homeowners and businesses throughout Frederick County, Montgomery County, and Howard County. Whether you’re in a quiet suburb or a busy commercial district, our licensed team is ready to deliver fast, dependable, and professional plumbing solutions tailored to your needs.
Financing available

Get a Free Water Purification Systems Estimate
Having trouble? Contact us today and one of our licensed technicians will follow up with a fast, no-obligation estimate for your Water Purification Systems.

