1
Hard water (11.5 gpg) can cause scale buildup in pipes and appliances but is generally safe to drink.
2
Elevated chlorine residual may affect taste and smell. A carbon filter reduces this effectively.

Current Score

73 / 100

Moderate

"Good" threshold (70)

Miami tap water is sourced from Biscayne Aquifer and treated by Miami-Dade Water and Sewer Department. Water hardness is very hard at 11.5 GPG which may cause scale buildup. TDS is 470 ppm which is above the EPA secondary guideline of 500 ppm. Overall purity score: 73/100 (Moderate). Updated for 2026.

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We've matched the best filters for Miami's specific water issues.

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The Best Water Filter For Miami Homes

Matched to local water issues and filtration standards.

Best for Miami

iSpring WGB32B 3-Stage Whole House

Whole-House Carbon Filter

Price Range $230–270

Top Pick for Miami

iSpring WGB32B 3-Stage Whole House

Miami has very hard water (11.5 GPG) and elevated chlorine. A whole-house carbon plus softener system handles both.

Why this fits Miami

Reduces hardness from 11.5 GPG to soft water
Whole-house chlorine and chloramine removal
Protects all appliances pipes and water heaters

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Also Recommended

AFWFilters 5600sxt 48,000 Grain Softener

Salt-Based Water Softener — $650–750

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Want to know exactly what's in YOUR tap?

City reports show averages. Your home may be different — especially with older pipes.

Buy Test Kit on Amazon ($25–30)

Frequently Asked Questions

Is Miami FL tap water safe to drink in 2026?

Miami tap water meets EPA federal drinking water standards and scores 73/100 (Moderate) on PurityMap for 2026. For most healthy adults the water is considered safe but point-of-use filtration adds an important layer of protection.

Does Miami FL use chlorine or chloramine for disinfection?

Miami uses chloramine as the primary disinfectant with a residual level of 2.1 ppm. Chloramine is harder to remove than free chlorine and requires a catalytic carbon or reverse osmosis filter. Standard Brita-style pitchers will NOT remove chloramine.

How hard is Miami FL water and what is the TDS level?

Miami water hardness is 11.5 grains per gallon (very hard) with a TDS of 470 ppm (poor). This level causes noticeable scale buildup in water heaters kettles and dishwashers. A water softener is recommended to protect plumbing and reduce soap usage.

Has PFAS been found in Miami FL drinking water?

Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Miami drinking water.