CITY REPORT GA

Rex, GA Water Safety: 63/100 (2026)

1 ZIP code · 4 water systems · Updated 2026-06-03

The systems supplying Rex vary in performance across GA benchmarks — most meet minimum federal standards, but documented violations in select areas are on record.

How Rex Compares

Rex63/100
Georgia avg75/100
National avg67/100

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

1
ZIP Codes
4
Water Systems
0
ZIPs with Violations
C · 63
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$185K
Median Home Value
$2,200
Est. Remediation (1.2% of home value)

Rex Water: The Quick Version

  • Homes built before 1986: 30% — older plumbing may contain lead solder.
  • Estimated remediation: $2,200 per household.
  • CDC health risk index: 14.32 — above typical levels.

Water Systems Serving Rex

Throughout Rex, GA, water comes from one of 3 primary utilities out of 4 total systems — independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.

DEKALB COUNTY
Serves ~743,000 people
63
/100
CLAYTON COUNTY WATER AUTHORITY
Serves ~298,374 people
63
/100
Henry County Water Authority
Serves ~176,038 people
63
/100

Overview

We track water quality and home safety data for 1 ZIP code in Rex, Georgia (population ~19,111), covering 4 community water systems serving approximately 1,217,667 people region-wide.

No EPA violations recorded across any ZIP codes in Rex — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Rex: C (63/100)

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

Rex water systems draw from: Groundwater.

Lead & Copper

  • Lead data: not yet available for Rex
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Areas with No Violations

ZIP Code Safety Score System Population
30273 C DEKALB COUNTY 743,000

All ZIP Codes in Rex

Data Sources

Updated daily.

CDC Health Data for Rex

11.4%
Asthma (US: 9.8%)
16.2%
Diabetes (US: 10.4%)
19.2%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 11.4% ↑
Diabetes 16.2% ↑
Mental Health 19.2% ↑

Vertical line = national average. Above national · Below national

How Old Is Rex's Housing Stock?

1994
Median Build Year
30%
Built Before 1986
0%
Built Before 1970
Copper
Likely Pipe Material

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

Because Rex's housing stock spans a wide range of construction eras, the median build year of 1994 lands in a zone where two distinct risk populations share the same residential market. Homes built before 1986 may have lead-soldered copper plumbing joints — that practice was federally prohibited in 1986 but remained standard until then. The fraction built before 1970 face an additional risk: lead pipes used for service line connections were common before that decade, meaning both the pipe and the solder may be lead-containing in the oldest structures. Residents in mid-century or earlier homes face a different risk environment than neighbors in houses built after 1986, even if they drink from the same utility's supply — and that property-level divergence is what makes the age distribution above more diagnostic than the city-wide median alone.

1994
Median Year Built
30%
Pre-1986 (Lead Paint Risk)
0%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (0%) 1970–1986 (30%) Post-1986 (70%)

Most homes in Rex 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.

Rex: Remediation Cost in Perspective

The equity-to-remediation ratio in Rex is moderate — worth planning for but within reach for most property owners.

Median Home Value
$184,500
Est. Remediation
$2,200
Remediation as % of home value 1.2%

Remediation costs are moderate relative to home values in Rex. The estimated $1,200–$3,400 range is manageable for most homeowners but still worth budgeting for. Home values are 16% below the Georgia average.

Protecting Children from Lead in Rex

30%
Homes Built Before 1986

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.

30% of housing in Rex predates the federal action against lead solder — a contained share — and aggregate readings stay beneath the regulatory benchmark. Lead therefore sits in a quiet position on the local water-quality picture, with single-home draws as the standard tool for confirming any one address.

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

Climate-Related Water Risk for Rex

The NFIP claim record for Rex — 5 filed incidents — reflects genuine, recurring flood exposure rather than an isolated event or two. When a community accumulates flood claims at this volume and carries 100% of its ZIP codes inside FEMA-designated zones, flood history starts to factor into water quality planning in ways it doesn't for lower-exposure areas. Flooding introduces specific contamination pathways — runoff overwhelming treatment facility intake, surface water infiltrating private wells, and pressure disruptions in distribution systems allowing backflow — all of which become more relevant as flood frequency increases.

5
Total FEMA Flood Claims
$2,204
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones

Rex has a moderate flood history with 5 FEMA claims averaging $2,204 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>$2,200</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 Rex

  1. 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.
  2. Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.

Frequently Asked Questions

Is the water safe to drink in Rex, GA?
Rex has an average water safety score of 63/100 (Grade C). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Rex compare to Georgia average?
Rex has an average water safety score of 63/100, which is below the Georgia state average of 75/100.
How many water systems serve Rex?
Rex is served by 4 public water systems across 1 ZIP code, serving approximately 19,111 people.
How much does it cost to fix water issues in Rex?
Estimated remediation costs in Rex average $2,200 per household, ranging from $1,200 to $3,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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