Riverdale, GA Water Safety: 55/100 (2026)
2 ZIP codes · 3 water systems · Updated 2026-06-03
The systems supplying Riverdale vary in performance across GA benchmarks — most meet minimum federal standards, but documented violations in select areas are on record.
How Riverdale Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Riverdale Residents
- Homes built before 1986: 52% — older plumbing may contain lead solder.
- Estimated remediation: $2,000 per household.
- CDC health risk index: 14.32 — above typical levels.
Riverdale's Water Providers
3 water utilities share the residential service territory in Riverdale, GA — out of 3 total systems in federal records.
Overview
We track water quality and home safety data for 2 ZIP codes in Riverdale, Georgia (population ~61,703), covering 3 community water systems serving approximately 1,388,823 people region-wide.
No EPA violations recorded across any ZIP codes in Riverdale — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Riverdale: C (55/100)
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
Riverdale water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Riverdale
- 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): 1 ZIP code
- Zone 3 (Low): 1 ZIP code
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 30274 | D | CLAYTON COUNTY WATER AUTHORITY | 298,374 |
| 30296 | C | ATLANTA | 1,089,893 |
All ZIP Codes in Riverdale
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.
Riverdale Community Health Snapshot
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
Riverdale Infrastructure Age
With 52% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Federal plumbing rules changed in two stages — lead pipes were phased out before 1970, and lead solder was banned in 1986 — but in Riverdale, where the median build year is 1984, most of the housing was already in place before those rules took effect. The materials installed under older standards remain embedded in a substantial portion of the residential inventory today.
Over half of homes in Riverdale were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Riverdale
At current valuations, Riverdale falls in the moderate remediation-share tier — a level where treating this as a budgeted line item rather than an ad-hoc expense is the practical approach.
Remediation costs are moderate relative to home values in Riverdale. The estimated $1,200–$3,000 range is manageable for most homeowners but still worth budgeting for. Home values are 16% below the Georgia average.
Riverdale: Lead Risk & Vulnerable Populations
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.
Although utility-side compliance with federal Lead and Copper requirements remains the system reference, that compliance does not extend down into interior plumbing. With 52% of Riverdale stock built before the solder ban and aggregate readings at or beyond the action mark, a household-level sample becomes the practical way to close that information gap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Riverdale: Flood History & Water Damage Risk
Although Riverdale's flood history doesn't reach high-severity thresholds, NFIP data documents 122 claims and FEMA maps place 100% of ZIP codes in designated flood zones — a combined profile that makes flood-related water quality considerations a reasonable planning baseline.
Riverdale has a moderate flood history with 122 FEMA claims averaging $9,358 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>$2,000</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 Riverdale
- 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. With 52% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Riverdale, GA