Saint Petersburg, FL Water Safety: 50/100 (2026)
31 ZIP codes · 3 water systems · Updated 2026-06-03
A meaningful share of water systems in Saint Petersburg have recorded health-based violations in recent FL monitoring periods — placing the city in the lower tier for tap water safety.
How Saint Petersburg Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Saint Petersburg, FL
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Distribution of water safety grades across Saint Petersburg.
Saint Petersburg Water: The Quick Version
- Estimated remediation: $2,274 per household.
- CDC health risk index: 13.51 — above typical levels.
Water Systems Serving Saint Petersburg
3 water systems are tracked federally in Saint Petersburg, FL. The top 3 providers collectively serve most residential addresses, but because they operate independently, infrastructure maintenance standards and compliance histories differ from one service zone to another.
Overview
We track water quality and home safety data for 31 ZIP codes in Saint Petersburg, Florida (population ~357,666), covering 3 community water systems serving approximately 905,271 people region-wide.
No EPA violations recorded across any ZIP codes in Saint Petersburg — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Saint Petersburg: D (50/100)
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 Petersburg water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Saint Petersburg
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 31 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 33701 | D | City of St Petersburg, | 349,979 |
| 33702 | D | City of St Petersburg, | 349,979 |
| 33703 | D | City of St Petersburg, | 349,979 |
| 33704 | D | City of St Petersburg, | 349,979 |
| 33705 | D | City of St Petersburg, | 349,979 |
| 33706 | D | PINELLAS COUNTY UTILITIES | 506,353 |
| 33707 | D | City of St Petersburg, | 349,979 |
| 33708 | D | PINELLAS COUNTY UTILITIES | 506,353 |
| 33709 | D | PINELLAS PARK WATER DEPT | 48,939 |
| 33710 | D | City of St Petersburg, | 349,979 |
All ZIP Codes in Saint Petersburg
- 33701 [D]
- 33702 [D]
- 33703 [D]
- 33704 [D]
- 33705 [D]
- 33706 [D]
- 33707 [D]
- 33708 [D]
- 33709 [D]
- 33710 [D]
- 33711 [D]
- 33712 [D]
- 33713 [C]
- 33714 [D]
- 33715 [D]
- 33716 [D]
- 33729 [D]
- 33730 [D]
- 33731 [C]
- 33732 [D]
- 33733 [C]
- 33734 [D]
- 33736 [C]
- 33737 [C]
- 33738 [C]
- 33740 [C]
- 33741 [C]
- 33742 [C]
- 33743 [D]
- 33747 [D]
- 33784 [D]
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.
CDC Health Data for Saint Petersburg
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
Saint Petersburg: Remediation Cost in Perspective
Low proportionality — that's the Saint Petersburg picture when remediation costs are placed against typical home equity.
Remediation costs in Saint Petersburg are relatively low compared to home values. The $1,268–$3,681 estimated range is a small fraction of median property value. Home values are 5% below the Florida average.
Climate-Related Water Risk for Saint Petersburg
Across the multi-decade NFIP program, Saint Petersburg has logged 33834 filed flood claims — a tally that corresponds with 77% of local ZIP codes carrying FEMA flood zone designations. For water quality, the implications extend beyond property damage: when flooding reaches the magnitude this area's record implies, water supply systems face compounding stress. Treatment plants handling contaminated floodwater intake face sharply elevated contaminant loads. Private wells in low-lying FEMA zones are vulnerable to surface infiltration during each major event. Distribution networks can experience pressure-inversion backflow, drawing untreated water back into the supply. These are not remote possibilities at this exposure level.
Saint Petersburg has a significant flood history with 33,834 FEMA flood insurance claims on record, averaging $46,227 per claim. With 77% 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>$2,274</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.
What You Can Do in Saint Petersburg
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Saint Petersburg, FL