How does Jacksonville tap water hold up under EPA scrutiny? Above average for FL — documented violations are uncommon and the safety grade reflects a clean overall record.

Data: EPA SDWIS Last verified: 2026-06-03

Water Quality Map: Jacksonville, FL

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Overview

We track water quality and home safety data for 51 ZIP codes in Jacksonville, Florida, covering 8 community water systems serving approximately 945,632 people.

51 of 51 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for Jacksonville: B (81/100)

The score combines three factors:

Factor	What It Measures
Water Quality	EPA violations and compliance history
Lead Levels	90th percentile lead concentration vs EPA action level
Radon Risk	EPA radon zone classification

Water Sources

Jacksonville water systems draw from: Groundwater.

Lead & Copper

• Average lead level (90th percentile): 0.0015 mg/L (EPA action level: 0.015 mg/L)
• 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

• Zone 1 (High): 0 ZIP codes
• Zone 2 (Moderate): 0 ZIP codes
• Zone 3 (Low): 51 ZIP codes

Top Contaminants

Areas with Most Violations

All ZIP Codes in Jacksonville

• 32099 [A] — 9 violations
• 32201 [A] — 9 violations
• 32202 [B] — 9 violations
• 32203 [A] — 9 violations
• 32204 [B] — 9 violations
• 32205 [B] — 9 violations
• 32206 [B] — 9 violations
• 32207 [B] — 9 violations
• 32208 [B] — 9 violations
• 32209 [B] — 9 violations
• 32210 [B] — 9 violations
• 32211 [B] — 9 violations
• 32212 [A] — 9 violations
• 32214 [A] — 9 violations
• 32215 [A] — 9 violations
• 32216 [B] — 9 violations
• 32217 [B] — 9 violations
• 32218 [B] — 9 violations
• 32219 [B] — 9 violations
• 32220 [B] — 9 violations
• 32221 [B] — 9 violations
• 32222 [B] — 9 violations
• 32223 [B] — 9 violations
• 32224 [B] — 9 violations
• 32225 [B] — 9 violations
• 32226 [B] — 9 violations
• 32227 [A] — 9 violations
• 32228 [A] — 9 violations
• 32229 [A] — 9 violations
• 32230 [A] — 9 violations
• 32231 [A] — 9 violations
• 32232 [A] — 9 violations
• 32234 [B] — 9 violations
• 32235 [A] — 9 violations
• 32236 [A] — 9 violations
• 32237 [A] — 9 violations
• 32238 [A] — 9 violations
• 32239 [A] — 9 violations
• 32241 [A] — 9 violations
• 32244 [B] — 9 violations
• 32245 [A] — 9 violations
• 32246 [B] — 9 violations
• 32247 [A] — 9 violations
• 32254 [B] — 9 violations
• 32255 [A] — 9 violations
• 32256 [B] — 9 violations
• 32257 [B] — 9 violations
• 32258 [B] — 9 violations
• 32260 [A] — 9 violations
• 32267 [A] — 9 violations
• 32277 [B] — 9 violations

Data Sources

• Water quality: EPA Safe Drinking Water Information System (SDWIS)
• Lead/copper: EPA Lead and Copper Rule sampling data
• Radon: EPA Map of Radon Zones

Updated daily.

How Remediation Costs Compare in Jacksonville

In Jacksonville, the equity impact of remediation is proportionally small — not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.

Median Home Value

$256,600

Est. Remediation

$1,987

Remediation as % of home value 0.8%

Remediation costs in Jacksonville are relatively low compared to home values. The $1,311–$2,921 estimated range is a small fraction of median property value. Home values are 24% below the Florida average.

Jacksonville: Lead Risk & Vulnerable Populations

0.0015

mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Lead risk in Jacksonville appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Jacksonville: Flood History & Water Damage Risk

The National Flood Insurance Program builds its dataset one claim at a time — each filed claim represents a property where flood damage was severe enough to trigger an insurance payout. For Jacksonville, that dataset has accumulated 4954 such events across the program's multi-decade history. 73% of ZIP codes here carry official FEMA flood zone designations, reflecting federal assessments of where flood risk is concentrated. Together, those data points describe a community with a documented, substantial flood exposure — the kind that shapes not just property risk but also the periodic reliability of water supply infrastructure. When flood events reach that scale, treatment systems face peak-load contamination stress, private wells become vulnerable to surface water intrusion, and the distribution network can experience backflow conditions that allow untreated water to re-enter the system.

4,954

Total FEMA Flood Claims

$28,812

Avg Claim Payout

73%

ZIPs in FEMA Flood Zones

~248

Est. Claims/Year

Jacksonville has a significant flood history with 4,954 FEMA flood insurance claims on record, averaging $28,812 per claim. With 73% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,987</strong> remediation cost per household.

Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.

Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.