Alpharetta, GA: 125 Violations — 50/100 (2026)
5 ZIP codes · 7 water systems · Updated 2026-06-03
Water systems serving Alpharetta record elevated violation rates against GA benchmarks — residents in affected areas may want to check their local system's current compliance status.
How Alpharetta Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Alpharetta, GA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
How ZIP codes in Alpharetta score across all safety grades.
What You Should Know About Alpharetta Water
- Your city's water systems recorded 125 violations in the past 5 years.
- Average lead level: 0.0016 mg/L.
- Homes built before 1986: 19% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 10.59.
Who Supplies Your Water in Alpharetta
Water supply in Alpharetta, GA follows a divided structure: 3 utilities account for the largest share of residential service out of 7 total systems, each managing its own distribution network and EPA reporting. Because these systems operate independently, rate decisions and compliance outcomes are determined separately.
Overview
We track water quality and home safety data for 5 ZIP codes in Alpharetta, Georgia (population ~195,832), covering 7 community water systems serving approximately 820,541 people region-wide.
5 of 5 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Alpharetta: 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
Alpharetta water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0016 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 5 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 66 | 5 |
| Surface Water Treatment Rule | Treatment Technique | 48 | 5 |
| Arsenic | Inorganic | 18 | 5 |
| Stage 2 DBP Rule | Treatment Technique | 12 | 5 |
| Stage 1 DBP Rule | Treatment Technique | 6 | 5 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 30004 | D | 25 | 0 | North Fulton County |
| 30005 | D | 25 | 0 | North Fulton County |
| 30009 | D | 25 | 0 | North Fulton County |
| 30022 | D | 25 | 0 | North Fulton County |
| 30023 | D | 25 | 0 | North Fulton County |
All ZIP Codes in Alpharetta
- 30004 [D] — 25 violations
- 30005 [D] — 25 violations
- 30009 [D] — 25 violations
- 30022 [D] — 25 violations
- 30023 [D] — 25 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.
Health Outcomes in Alpharetta
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 Alpharetta Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Alpharetta
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
Banned from residential plumbing in 1986, lead solder was a near-universal feature of copper plumbing before that cutoff. In Alpharetta, where the median build year is 1997, the majority of housing falls into the post-ban category — though the older fraction of the stock still carries the residual risk that comes with pre-1986 pipe and solder materials.
Most homes in Alpharetta 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 Alpharetta Homeowners
Setting Alpharetta remediation figures against its property market, the resulting ratio sits comfortably in the low tier — a classification that reflects the kind of household financial position where most homeowners can identify documented issues, schedule the work, and absorb the cost without it registering as a significant budget disruption.
Remediation costs in Alpharetta are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 168% above the Georgia average.
Lead Exposure Risk for Children in Alpharetta
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.
Reading aggregate data alone gives a clean picture for Alpharetta — system samples below the federal action mark and 19% pre-rule housing — yet that math averages many service connections. A one-tap draw gives the only direct read for a specific home.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Alpharetta
Taken together, Alpharetta's 93 NFIP flood insurance claims and 80% FEMA flood zone coverage place it in the moderate range of exposure. That middle position has specific implications for water quality. The contamination pathways that flooding can open — surface water overwhelming treatment facility intake, floodwaters infiltrating private wells, distribution pressure changes creating backflow — are not constant risks in a moderate-exposure community. But they do become active during significant flood events, and the claim record here indicates enough of those events to make flood timing an occasional factor in local water quality conversations.
Alpharetta has a moderate flood history with 93 FEMA claims averaging $11,367 per payout. 80% 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>$1,200</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 Alpharetta
- 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. Filters rated for Consumer Confidence Report Rule can reduce the most common contaminant found in Alpharetta's water.
- 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 Alpharetta, GA