Columbus, GA Water Safety: 94/100 (2026)
14 ZIP codes · 1 water system · Updated 2026-06-03
Tap water in Columbus, GA scores well — low violation counts, above-average safety grade.
How Columbus Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Columbus, GA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Columbus's 14 ZIP codes.
Key Facts for Columbus Residents
- Average lead level: 0.0014 mg/L.
- Estimated remediation: $1,286 per household.
- CDC health risk index: 14.06 — above typical levels.
Columbus's Water Providers
One utility dominates residential water service in Columbus, GA — out of 1 system in federal records.
Overview
We track water quality and home safety data for 14 ZIP codes in Columbus, Georgia, covering 1 community water system serving approximately 181,152 people.
No EPA violations recorded across any ZIP codes in Columbus — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Columbus: A (94/100)
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
Columbus water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0014 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 14 ZIP codes
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 31901 | A | Columbus | 229,000 |
| 31902 | A | Columbus | 229,000 |
| 31903 | A | Columbus | 229,000 |
| 31904 | A | Columbus | 229,000 |
| 31906 | A | Columbus | 229,000 |
| 31907 | A | Columbus | 229,000 |
| 31908 | A | Columbus | 229,000 |
| 31909 | A | Columbus | 229,000 |
| 31914 | A | Columbus | 229,000 |
| 31917 | A | Columbus | 229,000 |
All ZIP Codes in Columbus
- 31901 [A]
- 31902 [A]
- 31903 [A]
- 31904 [A]
- 31906 [A]
- 31907 [A]
- 31908 [A]
- 31909 [A]
- 31914 [A]
- 31917 [A]
- 31993 [A]
- 31997 [A]
- 31998 [A]
- 31999 [A]
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.
Columbus 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
How Remediation Costs Compare in Columbus
When remediation costs are measured against Columbus home values, the resulting ratio is in the low tier — addressing documented water and safety issues here claims only a minor fraction of typical equity, and most homeowners are in a position where the financial commitment is straightforward rather than a material burden on their household budget.
Remediation costs in Columbus are relatively low compared to home values. The $857–$1,829 estimated range is a small fraction of median property value. Home values are 6% below the Georgia average.
Columbus: 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.
Lead risk in Columbus appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Columbus: Flood History & Water Damage Risk
Flood history in Columbus spans 234 NFIP claims and 57% flood zone coverage — enough to place it in moderate-exposure territory where flood events are genuinely recurring rather than statistical outliers. That distinction matters for water quality assessment because the connection between flooding and water safety is not uniform across communities. In low-exposure areas, flooding rarely generates the conditions needed to compromise treatment or distribution infrastructure. In high-exposure areas, it can do so repeatedly. Moderate-exposure communities sit in between: flood events occur with enough frequency to make periodic infrastructure stress a reasonable concern, particularly for private well owners and residents in lower-elevation FEMA-designated zones.
Columbus has a moderate flood history with 234 FEMA claims averaging $8,092 per payout. 57% 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>$1,286</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 Columbus, GA