Benefits of Installing a Home Water Filtration System

Why this question matters in 2026 DFW

Water filtration is one of those home upgrades that’s easy to delay because the water coming out of the tap is, by EPA standards, safe to drink. The North Texas Municipal Water District (NTMWD) and other DFW utilities meet federal Safe Drinking Water Act requirements consistently. So the question isn’t whether DFW water is dangerous – it’s whether installing filtration improves your daily life, your home’s plumbing longevity, and your long-term costs enough to justify the investment.

This guide walks through the real, measurable benefits of installing a home water filtration system in DFW. No health overclaims. No fearmongering about the water supply. Just the practical outcomes filtration actually delivers, supported by NSF/ANSI certifications, EPA standards, and the economic math of bottled water vs. point-of-use treatment. For homeowners deciding whether to install filtration – or to upgrade an existing system – this is the framework.

Key takeaways

• The taste and smell improvement is immediate and significant. NSF/ANSI 42-certified carbon filters reduce chlorine taste and odor by 95%+ in independent testing. The difference between filtered and unfiltered DFW water is obvious from the first glass.
• Contaminant removal is real and certified. NSF/ANSI standards 42 (aesthetic), 53 (health contaminants), 58 (reverse osmosis), 401 (emerging compounds), and P473 (PFOA/PFOS) document exactly what specific filters remove. Generic claims like “removes 99% of contaminants” mean nothing without certification.
• Plumbing and appliance wear is reduced. Chlorine and chloramines (used by NTMWD and most DFW utilities) degrade rubber and elastomer components in faucets, toilet flapper valves, water heater dip tubes, and washing machine hoses. Filtered water at point of use extends appliance life and reduces repair calls.
• Cost vs. bottled water is the clearest economic argument. A typical household spending $30-$80 per month on bottled water can install a quality point-of-use filtration system for $300-$1,200 – payback in 6-18 months, then 5-15 more years of savings.
• The EPA PFAS rule (April 2024) set the first federal Maximum Contaminant Levels for PFOA and PFOS at 4.0 parts per trillion. Utilities are working toward compliance, but homeowners who want zero PFAS in their drinking water can install certified filters now (NSF/ANSI P473 or NSF/ANSI 58 RO systems).
• Call 214-918-6109 for water filtration system consultation, installation, and ongoing maintenance across Mesquite, Garland, Rowlett, Dallas, Plano, Richardson, Balch Springs, and Sunnyvale.

What’s actually in DFW tap water?

Before discussing benefits, a quick primer on what filtration would actually be removing. DFW utilities publish annual Consumer Confidence Reports (CCRs) showing tested contaminant levels. Across NTMWD-served cities (Mesquite, Garland, Plano, Richardson, Rockwall, and others), the consistent constituents in finished tap water:

Intentional additives

• Chloramine (chlorine combined with ammonia) – the primary disinfectant used by NTMWD and Dallas Water Utilities. Replaces chlorine in distribution because it’s more stable and produces fewer disinfection byproducts. Has a noticeable taste and odor.
• Fluoride (typically 0.7 ppm) – added per municipal policy for dental health. Not removed by basic carbon filters; removed by RO and some specialty filters.

Disinfection byproducts

• Trihalomethanes (TTHMs) including chloroform – formed when chlorine reacts with organic material in source water. EPA MCL is 80 ppb total. DFW utilities typically test below this limit but the levels vary.
• Haloacetic acids (HAA5) – similar chlorination byproducts. EPA MCL 60 ppb.

Hardness minerals

• Calcium and magnesium at 8-12 grains per gallon (NTMWD typical) – “hard water.” Causes scale buildup in water heaters, dishwashers, washing machines, and faucets. Affects soap lathering and leaves water spots.

Trace contaminants in normal range

• Lead – generally below detection at the utility level; risk is in older home plumbing leaching lead into water during stagnation
• Copper – similar pattern; from copper plumbing
• Nitrates, sulfates, sodium – normal levels for the regional aquifer/surface water blend

Emerging contaminants

• PFAS (PFOA, PFOS, and related compounds) – “forever chemicals” from industrial and consumer products. Detected at low levels in many U.S. water systems. EPA’s April 2024 final rule sets PFOA and PFOS MCLs at 4.0 parts per trillion (ppt), with PFHxS at 10 ppt and PFNA at 10 ppt. DFW utilities are working toward compliance ahead of the 2029 implementation deadline.
• Microplastics – increasingly studied, no federal MCL yet. Some filters certified to remove particulate matter that includes microplastics.
• Pharmaceuticals – trace detection of various compounds in many U.S. water systems. No federal MCLs. NSF/ANSI 401 covers select pharmaceutical and personal care product reduction.

This is the context for evaluating filtration benefits. DFW water is regulated, tested, and meets federal standards. But the chemistry above is what’s coming out of the tap, and filtration changes what gets to your glass.

Benefit 1: Better-tasting water (the immediate, undeniable benefit)

The single most common feedback from homeowners after installing carbon filtration: “I can’t believe how much better the water tastes.” This isn’t subjective – it’s chemistry. Carbon filters certified to NSF/ANSI 42 reduce chlorine and chloramine taste and odor by 95%+ in standardized testing. The chlorinated taste that’s normal in DFW tap water disappears.

What changes

• Drinking water tastes clean rather than slightly chemical
• Coffee and tea brew without chlorine interference – flavor notes that are normally masked become apparent
• Ice cubes made from filtered water have no chlorine smell when they melt
• Soups, sauces, and cooked vegetables taste subtly cleaner – the cooking water doesn’t add chlorinated taste
• Baby formula and powdered drinks mix to better flavor without the underlying chlorine note

Why DFW specifically benefits

NTMWD and Dallas Water Utilities both use chloramine as their primary disinfectant. Chloramine is more stable than chlorine in distribution (good for water quality), but it’s also more persistent in finished water at the tap. Carbon filtration is highly effective at chloramine reduction but requires sufficient contact time – basic faucet-mount filters reduce chloramine less effectively than properly sized whole-house or under-sink systems.

What it doesn’t change

Filtration doesn’t change hardness minerals (calcium, magnesium). Filtered water from a carbon-only system still leaves water spots, still scales in coffee makers, still produces “hard water” feel in showers. Hardness reduction requires a separate technology (ion-exchange softener or salt-free conditioner).

Benefit 2: Certified contaminant removal (the documented health benefit)

NSF International certifications document exactly what specific filters remove. The certifications matter because “filter” alone doesn’t tell you what’s being filtered out. The relevant standards for residential water filtration:

NSF/ANSI 42 – Aesthetic effects

Chlorine, chloramine, taste, odor, particulates (dirt, sediment). The standard most carbon filters meet. Doesn’t address health contaminants directly.

NSF/ANSI 53 – Health contaminants

Lead, chromium, mercury, asbestos, cysts (Cryptosporidium, Giardia), VOCs (volatile organic compounds), MTBE, radon. The standard for filters making health-related claims. Includes specific tested-and-certified contaminants per product.

NSF/ANSI 58 – Reverse osmosis

Comprehensive removal including dissolved minerals, fluoride, arsenic, lead, sodium, nitrates, sulfates. RO systems certified to 58 produce the closest thing to distilled water from a typical residential installation.

NSF/ANSI 401 – Emerging compounds

Select pharmaceuticals, personal care products, herbicides, pesticides, and chemicals not addressed by older standards. Increasingly important as monitoring identifies more contaminants.

NSF/ANSI P473 (or current designation)

PFOA and PFOS reduction. Critical given the April 2024 EPA rule. Filters certified to P473 demonstrate effective PFAS removal in standardized testing.

How to verify a filter actually removes what you want

Look at the filter’s NSF certifications and the specific contaminants listed. A filter marketed for “PFAS removal” must be NSF certified for PFOA/PFOS reduction (not just claimed by the manufacturer). Online certification lookup at the NSF website confirms specific product certifications – this verification step prevents purchasing a filter that doesn’t do what the marketing suggests.

Practical filter selection for DFW

• Concerned primarily about taste and chlorine: NSF/ANSI 42 carbon filter
• Concerned about lead in older home plumbing: NSF/ANSI 53 certified for lead reduction
• Concerned about PFAS: NSF/ANSI P473 or NSF/ANSI 58 reverse osmosis
• Concerned about comprehensive contaminant removal: NSF/ANSI 58 reverse osmosis
• Concerned about pharmaceuticals and emerging compounds: NSF/ANSI 401

Benefit 3: Reduced plumbing and appliance wear

Chlorine and chloramines in unfiltered water degrade rubber, elastomer, and some plastic components throughout home plumbing. This isn’t theoretical – it’s observable in repair patterns across DFW homes. Filtration at point of use (whole-house or near major appliances) measurably extends equipment life.

Components affected by chlorinated water

• Toilet flapper valves – rubber flappers degrade and warp from continuous chlorine exposure, causing the most common “running toilet” symptom. Unfiltered DFW typical flapper life: 3-5 years. Filtered: 7-10+ years.
• Faucet O-rings and supply line washers – the rubber components in faucet cartridges, supply hoses, and angle stops degrade. Filtered water installations show measurably fewer faucet drip repairs.
• Water heater dip tubes – the plastic dip tube that delivers cold water to the bottom of the tank degrades over decades; chlorine exposure accelerates degradation. Polypropylene dip tubes from the 1990s era are notorious for failure; modern dip tubes are more resistant but still benefit from filtration.
• Washing machine inlet hoses – rubber hoses to the washing machine are a common failure point. Filtered water extends hose life; replacing rubber hoses with braided stainless steel ($30-$60 per hose) is recommended regardless.
• Dishwasher seals and pump impeller – chloramine exposure degrades dishwasher elastomers and contributes to pump wear.
• Ice maker fill valve and water lines – the small plastic and rubber components in refrigerator ice makers fail more frequently with unfiltered water.

The economic significance

A single toilet flapper replacement costs $5 in parts plus a service call if you don’t DIY. A premature water heater dip tube failure can cost $400-$800 in repair. A washing machine hose failure that bursts can cost $5,000-$20,000+ in water damage. The cumulative cost of accelerated plumbing wear over 10 years easily exceeds the cost of a quality whole-house carbon filtration system.

What filtration does and doesn’t help

Filtration helps: chlorine/chloramine-driven elastomer wear, particulate damage to valves and filters, taste-and-odor issues.
Filtration alone doesn’t help: hard water scale on heating elements, mineral buildup in showerheads and faucet aerators, soap scum in showers, water spots on glassware. These require a water softener or salt-free conditioner separately.

Benefit 4: Significant cost savings vs. bottled water

For households currently buying bottled water for drinking and cooking, the economic case for filtration is straightforward and substantial.

Typical bottled water spending

• Single-person household with bottled water primary: $20-$40 per month
• 2-person household: $30-$60 per month
• Family of 4 with bottled water primary: $50-$120 per month
• Heavy bottled water household (sparkling water, flavored, premium brands): $80-$200+ per month

Typical filtration costs

• Faucet-mount or pitcher filter: $30-$80 initial + $5-$15/month for cartridges
• Under-sink single-stage carbon filter: $150-$400 installed + $30-$80 annually for cartridges
• Under-sink multi-stage RO system: $400-$1,200 installed + $80-$200 annually for cartridges and membrane
• Whole-house carbon filtration: $800-$2,500 installed + $100-$300 annually for cartridge replacement

Payback math (under-sink RO vs. family-of-4 bottled water)

Bottled water: $80/month × 12 = $960/year

RO system: $800 installed + $150/year cartridges = $800 first year + $150 per subsequent year

• Year 1 net savings: $960 – $800 – $150 = $10 (barely break-even)
• Year 2 net savings: $960 – $150 = $810
• 10-year cumulative savings: ~$7,500

The non-monetary benefits

• No more carrying water cases home from the store
• No more managing bottle storage and recycling
• Water available on demand at the tap, not “I’ll have to open another case”
• Reduced single-use plastic waste – household contribution to broader environmental concerns

For households not currently buying bottled water, the math changes – filtration is a quality-of-life upgrade rather than a cost saver. But for the substantial fraction of DFW households that do buy bottled water for taste or perceived health reasons, switching to filtered tap water typically saves significant money within the first 1-2 years.

Benefit 5: Better cooking, coffee, and beverage results

Filtered water genuinely improves food and beverage outcomes. The chemistry is well-established. Coffee and tea preparation reveals the difference most dramatically.

Coffee

Specialty coffee benchmarks set by the Specialty Coffee Association specify brewing water that’s free of chlorine and within a target hardness range (50-175 ppm total dissolved solids). Unfiltered DFW water (chlorinated, 200-350+ ppm TDS from hardness) is outside this range. Filtered water (carbon-treated or RO blended) hits the target. Coffee brewed with properly conditioned water has noticeably better flavor extraction and clarity.

Tea

Tea is even more sensitive to chlorine than coffee. The tannins in tea react with chlorine to produce off-flavors. Filtered water makes delicate teas (oolong, green, white) noticeably better.

Cooking

Most cooking applications are not dramatically affected by chlorine since the boiling process drives off most of it. But certain cases benefit:

• Stocks and broths – extended low-temperature simmering doesn’t volatilize all chloramines; filtered water produces cleaner-tasting stocks
• Bread baking – chlorine can interfere with yeast activity; filtered water gives more consistent results
• Pickling and fermentation – chlorine inhibits the bacterial cultures needed for sauerkraut, kimchi, sourdough starters, yogurt
• Pasta and rice cooking water – lesser effect, but starches don’t pick up chlorinated taste

Other beverages

• Cocktails and mixed drinks – dilution with chlorinated water is detectable in clear spirits
• Lemonade, iced tea, infused waters – the underlying water flavor matters because it’s not masked
• Baby formula – filtered water for formula preparation provides flavor consistency and removes chloramine

For households that cook from scratch frequently, brew specialty coffee, or pay attention to beverage quality, the cooking and drink improvements alone justify filtration even before considering the other benefits.

Benefit 6: Cleaner glassware, fewer water spots (when paired with softening)

A common confusion: water filtration and water softening are different technologies addressing different problems. Filtration removes contaminants and improves taste. Softening removes hardness minerals (calcium, magnesium). The most common DFW residential complaint – water spots on glassware, soap scum in showers, scale buildup on fixtures – is a hardness issue, not a filtration issue.

When filtration alone addresses water spots

Only if the water is also softened in some way. Carbon filtration alone won’t reduce hardness-related spotting.

When filtration + softening together addresses water spots

A whole-house system that includes both carbon filtration (for chlorine/chloramine) and either ion-exchange softening or salt-free conditioning (for hardness) addresses both problems. Combined systems are common in DFW because the hardness problem is real and visible.

Ion-exchange softener vs. salt-free conditioner

• Traditional ion-exchange softener: replaces calcium and magnesium with sodium. Eliminates hard water scale completely. Adds modest sodium to drinking water (typically 30-100 mg per liter for moderately hard water). Requires salt refills and regeneration discharge.
• Salt-free conditioner (template-assisted crystallization, etc.): converts hardness minerals to a form that doesn’t bind to surfaces. Reduces scale buildup but doesn’t completely eliminate it. No sodium addition, no regeneration discharge. Less effective than true softening but acceptable for many applications.

For DFW homeowners whose primary complaint is taste, contaminants, or appliance wear, carbon filtration alone is sufficient. For homeowners whose primary complaint is hardness symptoms (spots, scale, soap scum), filtration alone won’t solve it – softening or conditioning is also needed.

Benefit 7: Forward protection against emerging contaminants

The list of regulated drinking water contaminants is not static. The EPA’s April 2024 final rule on PFAS established the first federal MCLs for PFOA and PFOS – regulatory recognition of a class of contaminants that has been studied for years. More emerging contaminants will likely receive regulatory attention over the next decade.

What filtration does for forward protection

A properly designed home filtration system – particularly RO or filtration certified to NSF/ANSI 401 – reduces or eliminates many emerging compounds without waiting for regulatory action. Homeowners who installed quality filtration five years ago were already reducing their PFAS exposure before federal regulations existed.

What this isn’t

This isn’t a fear-based argument. DFW water is safe by federal standards today. The argument is simply that home filtration provides a buffer against discovered-future-contaminants that the public water system may take years to address through regulation and infrastructure upgrades.

What filtration won’t do (honest limits)

Equally important: what filtration doesn’t promise. Avoiding overclaims is part of giving homeowners honest information for their decision.

Filtration won’t make you healthier in measurable ways if you were already healthy

DFW tap water is safe and EPA-compliant. A person drinking unfiltered tap water in normal quantities is not measurably less healthy than someone drinking filtered tap water. The health benefits of filtration accrue at the margins (reduced trace contaminant exposure, better hydration if filtered water encourages more water consumption) and over decades, not in immediately measurable ways.

Filtration won’t fix hardness symptoms

Carbon filtration alone won’t reduce water spots, scale buildup, or soap scum. Hardness requires softening or conditioning as a separate technology.

Filtration won’t make your skin or hair dramatically different

Some marketing claims that filtered water transforms skin and hair. The reality is more modest: hardness reduction (softener, not filter) can reduce mineral buildup on hair and the dryness sensation of mineral-heavy water on skin, but this is a softener effect, not a filtration effect, and the magnitude is incremental rather than transformative.

Filtration won’t last forever without maintenance

Every filter has a service life. Carbon cartridges typically last 3-12 months depending on use; RO membranes typically last 2-5 years; whole-house pre-filters last 3-6 months. Filters that are past service life can become contamination sources (bacterial growth in saturated carbon, biofilm in RO storage tanks) – the opposite of the benefit. Ongoing maintenance is part of the commitment.

System selection summary

Faucet-mount or pitcher filter

Lowest cost, easiest installation, lowest performance. Adequate for basic taste improvement and modest contaminant reduction at a single faucet. $30-$80 + cartridges.

Under-sink single-stage carbon

Dedicated faucet at the kitchen sink, longer contact time than pitcher filters, better chlorine and chloramine reduction. $150-$400 installed + annual cartridges.

Under-sink multi-stage reverse osmosis

Comprehensive contaminant removal including fluoride, PFAS, dissolved solids. Reduces hardness at the point of use (not whole-house). Requires storage tank space in cabinet and drain connection. $400-$1,200 installed + annual cartridges and periodic membrane replacement.

Whole-house carbon filtration

Reduces chlorine/chloramine throughout the home, extending appliance life and improving showering experience. $800-$2,500 installed + annual cartridge replacement. Does not address hardness.

Whole-house carbon + softener combination

Most comprehensive: chlorine/chloramine reduction throughout the home plus hardness elimination. $2,000-$5,000+ installed. Addresses essentially all DFW residential water concerns except specific RO-level dissolved solids.

Combined whole-house + point-of-use RO

Whole-house filtration handles general use; under-sink RO at the kitchen provides ultra-pure drinking water. Premium configuration for households that want everything. $2,800-$7,000+ installed.

A 30-year DFW perspective on water filtration adoption

Water filtration in DFW homes was uncommon 30 years ago. By 2010, point-of-use filters and refrigerator water filters became standard. By 2020, whole-house filtration was a common new-construction option and a common retrofit upgrade. By 2026, with PFAS regulations finalizing and consumer awareness of water quality at an all-time high, comprehensive filtration is increasingly expected in mid-to-upper market homes.

The pattern we see most often: homeowners install basic filtration (faucet mount or pitcher), realize the taste difference is significant, and within 1-3 years upgrade to under-sink or whole-house systems. Starting with a quality under-sink system often makes more sense than starting with the cheapest option and upgrading later – the cumulative cost is similar and the better experience is delivered immediately.

What homeowners get wrong most often is conflating filtration with softening. The two technologies address different problems and are often both needed. Filtration alone won’t solve hardness symptoms; softening alone won’t solve taste and contaminant concerns. A comprehensive water quality conversation considers both.

When should you call James Armstrong Plumbing?

Call 214-918-6109 if any of the following apply:

• You’re considering filtration and want a system designed for your specific home and water concerns
• You currently buy bottled water and want to calculate the payback on installation
• You’re concerned about PFAS, lead, or specific contaminants and want a certified solution
• You have an existing filtration system that needs maintenance, cartridge replacement, or upgrade
• You’re combining filtration with a water softener and want both systems designed together
• You’re remodeling a kitchen or replacing appliances and want the water quality upgrade planned in
• You bought a home with an unfamiliar filtration system and want professional inspection and ongoing service

Master Plumber James Armstrong (License M-39428, BBB A+ since 2018) and the JAP team install and maintain water filtration systems across DFW. For broader service overview, technology comparison, and pricing detail, see our Mesquite water filtration system services page. Service areas: Mesquite, Garland, Rowlett, Dallas, Plano, Richardson, Balch Springs, and Sunnyvale.

Frequently asked questions

Is DFW tap water safe to drink without filtration?

Yes, DFW tap water meets all EPA Safe Drinking Water Act requirements and is safe for drinking, cooking, and bathing. NTMWD and Dallas Water Utilities publish annual Consumer Confidence Reports documenting compliance. Filtration is an improvement, not a safety necessity. The benefits accrue from better taste, certified contaminant reduction, and reduced plumbing wear rather than from making unsafe water safe.

Will a water filter remove the chlorine taste from my DFW water?

Yes, this is the most immediate and obvious benefit. NSF/ANSI 42-certified carbon filters reduce chlorine and chloramine taste and odor by 95%+ in standardized testing. Most DFW utilities use chloramine (chlorine combined with ammonia) as the primary disinfectant; carbon filtration with adequate contact time is highly effective at chloramine reduction. Basic pitcher filters help; under-sink and whole-house systems work even better.

What’s the difference between a water filter and a water softener?

Water filtration removes contaminants like chlorine, chloramines, lead, PFAS, sediment, and emerging compounds. Water softening removes hardness minerals (calcium and magnesium) that cause water spots, scale buildup, soap scum, and shortened appliance life. The two technologies address different problems. Carbon filtration alone won’t reduce water spots; softening alone won’t improve taste or remove contaminants. Many DFW homes benefit from both technologies together.

How much does a home water filtration system cost?

Faucet-mount or pitcher filters: $30-$80 plus ongoing cartridges. Under-sink single-stage carbon: $150-$400 installed plus $30-$80 annually for cartridges. Under-sink multi-stage RO: $400-$1,200 installed plus $80-$200 annually for cartridges and periodic membrane replacement. Whole-house carbon: $800-$2,500 installed plus $100-$300 annually. Whole-house carbon plus softener: $2,000-$5,000+ installed. Costs vary with system capacity, brand quality, and installation complexity.

Does a water filtration system save money vs. bottled water?

Usually yes if you’re currently buying bottled water for drinking. A family of 4 spending $80/month on bottled water pays back an $800-$1,200 under-sink RO system in 12-18 months and saves $7,000-$10,000 over 10 years. Households not currently buying bottled water see less direct savings; filtration becomes a quality-of-life upgrade rather than a cost saver, though indirect savings from reduced plumbing wear and extended appliance life still apply.

Will filtration help with my hard water spots?

Not directly. Hard water spots are caused by calcium and magnesium minerals (hardness), which carbon filtration doesn’t remove. A water softener (ion-exchange) or salt-free conditioner addresses hardness; filtration addresses contaminants. Many DFW homes benefit from both. If your primary complaint is water spots on glassware and scale on faucets, ask about softening or conditioning, not just filtration.

How long do water filters last?

Service life depends on the filter type and water usage. Carbon cartridges typically last 3-12 months. RO membranes typically last 2-5 years. Whole-house pre-filters typically last 3-6 months. Pitcher filter cartridges typically last 1-2 months. Filters that exceed service life can become contamination sources through bacterial growth or saturated media releasing previously captured contaminants. Following manufacturer-recommended replacement intervals is essential.

Does filtration remove PFAS?

Some filtration removes PFAS effectively; many don’t. Look for NSF/ANSI P473 certification specifically for PFOA and PFOS reduction, or NSF/ANSI 58 reverse osmosis systems which generally remove PFAS comprehensively. Basic carbon filters and pitcher filters typically have limited PFAS removal capability. Verify specific certifications at NSF’s online lookup before purchasing if PFAS reduction is your goal.

Will a water filter improve my skin and hair?

Modestly, particularly if combined with softening. Hardness minerals (calcium, magnesium) can contribute to dry skin sensations and mineral buildup on hair; reducing hardness with a softener or conditioner improves these symptoms. Filtration alone (chlorine/chloramine reduction) has minor effects on skin and hair – some people notice less drying from showers after chloramine reduction, but the effect is incremental rather than transformative. Avoid marketing that promises dramatic skin or hair transformation from filtration alone.

Should I install a whole-house system or just under-sink?

Depends on goals. Under-sink is appropriate when the primary goal is drinking water quality and the budget is modest – it provides high-quality water at one or two locations (kitchen sink, optionally a separate faucet for the refrigerator). Whole-house is appropriate when goals extend to extending appliance life, improving shower water quality, protecting plumbing throughout the home, and providing filtered water at every tap. For households serious about water quality, whole-house carbon + under-sink RO at the kitchen is the comprehensive standard.

This guide reflects typical 2026 residential water filtration considerations, pricing, and DFW-specific water context. Specific filtration recommendations require evaluation of household water and goals. Pricing varies by system, capacity, and installation complexity.