Saint Johns, FL: 1 Violation — 77/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Saint Johns, FL: reliable drinking water, above-average safety record, few violations.
How Saint Johns Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Saint Johns Water
- Your city's water systems recorded 1 violation in the past 5 years.
- Homes built before 1986: 10% — older plumbing may contain lead solder.
- Estimated remediation: $2,300 per household.
- CDC health risk index: 11.89.
Who Supplies Your Water in Saint Johns
Multiple utilities divide Saint Johns, FL's water service — 2 leading providers among 2 on the federal register.
Overview
We track water quality and home safety data for 1 ZIP code in Saint Johns, Florida (population ~69,866), covering 2 community water systems serving approximately 826,702 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Saint Johns: B (77/100)
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
Saint Johns water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Saint Johns
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 32259 | B | 1 | 0 | Cypress Landing Wtp |
All ZIP Codes in Saint Johns
- 32259 [B] — 1 violation
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.
Health Outcomes in Saint Johns
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Saint Johns Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Saint Johns
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Housing age matters for water quality because lead solder was widely used in plumbing until the 1986 federal ban. Saint Johns's median build year of 2003 suggests a majority of homes were constructed under the newer standard — a meaningful factor when assessing household-level lead risk from tap water.
Most homes in Saint Johns were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Saint Johns Homeowners
Because property values in Saint Johns comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Saint Johns are relatively low compared to home values. The $1,500–$3,300 estimated range is a small fraction of median property value. Home values are 42% above the Florida average.
Lead Exposure Risk for Children in Saint Johns
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.
Locally, Saint Johns's indicators line up: aggregate readings pass under the regulatory benchmark and the pre-rule housing footprint at 10% keeps lead in a background position.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Saint Johns
Across the NFIP's long tracking period, Saint Johns shows 109 claims and 100% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.
Saint Johns has a moderate flood history with 109 FEMA claims averaging $40,285 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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>$2,300</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.
Deep Dive Reports
Detailed analysis for Saint Johns, FL