Columbia, MO: 7 Violations - Home Safety 80/100
11 ZIP codes · 7 water systems · Updated
ZipCheckup grade for Columbia: B.
This ZIP looks solid, with a few items worth a quick check.
Water systems serving Columbia hold a strong EPA compliance record - the city places among the better-performing areas in MO with few health-based violations on file.
How Columbia Compares
Data: EPA SDWIS
Water Quality Map: Columbia, MO
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Columbia's 5 ZIP codes.
Key Facts for Columbia Residents
- Your city's water systems recorded 7 violations in the past 5 years.
- Average lead level: 0.0043 mg/L.
- Estimated remediation: $964 per household.
- CDC health risk index: 11.34.
Columbia's Water Providers
Columbia, MO draws its residential water from 3 separate providers among the 7 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
- B
- B
- B
Overview
We track home safety data for 11 ZIP codes in Columbia, Missouri, covering 7 community water systems serving approximately 157,464 people. The EPA snapshots used for this build directly map water systems to 5 of 11 ZIP codes.
5 of 5 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Columbia: B (80/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Columbia water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0043 mg/L (EPA action level: 0.015 mg/L)
- 0 of 5 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 11 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 |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 10 | 5 |
| Consumer Confidence Report Rule | Reporting | 8 | 2 |
| Stage 1 DBP Rule | Treatment Technique | 6 | 5 |
| Total Coliform | Microbiological | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 65201 | B | 7 | 0 | City of Columbia Utilities |
| 65202 | B | 6 | 0 | City of Columbia Utilities |
| 65203 | B | 3 | 0 | City of Columbia Utilities |
| 65215 | B | 2 | 0 | City of Columbia Utilities |
| 65216 | B | 2 | 0 | City of Columbia Utilities |
All ZIP Codes in Columbia
- 65201 [B] - 7 violations
- 65202 [B] - 6 violations
- 65203 [B] - 3 violations
- 65205
- 65211
- 65212
- 65215 [B] - 2 violations
- 65216 [B] - 2 violations
- 65217
- 65218
- 65299
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Columbia 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
What's in Columbia's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Columbia
Setting Columbia 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 Columbia are relatively low compared to home values. The $364–$1,645 estimated range is a small fraction of median property value. Home values are 30% above the Missouri average.
Columbia: 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 Columbia 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.
Columbia: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Columbia contains 153 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $32,672. Among ZIP codes with claim records, 67% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The <strong>$964</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Columbia, MO