Avondale, CO: High Radon Risk - Home Safety 67/100
1 ZIP code · 1 water system · Updated
ZipCheckup grade for Avondale: C.
A mixed picture - some signals here are worth your attention.
Avondale's water quality grade in CO reflects a middle-ground assessment - service areas range from fully compliant to violation-flagged in current EPA records.
How Avondale Compares
Data: EPA SDWIS
Avondale Water: The Quick Version
- Average lead level: 0.002 mg/L.
- Homes built before 1986: 46% - older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
- CDC health risk index: 12.61 - above typical levels.
Water Systems Serving Avondale
For most households in Avondale, CO, tap water comes from one provider - the utility that controls the local distribution system out of 1 tracked in federal record.
- C
Overview
We track home safety data for 1 ZIP code in Avondale, Colorado (population ~1,351), covering 1 community water system serving approximately 9,690 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.
Home Safety Score
Average Home Safety Score for Avondale: C (67/100)
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
Avondale water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0020 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High 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 |
|---|---|---|---|
| 81022 | C | St Charles Mesa Water District | 9,690 |
All ZIP Codes in Avondale
- 81022 [C]
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.
CDC Health Data for Avondale
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 Old Is Avondale's Housing Stock?
With 46% 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
Some cities skew heavily toward one construction era; Avondale does not. The median build year of 1998 reflects a housing stock where older and newer homes share the market in meaningful proportions. That mixed profile means the city carries moderate aggregate plumbing-era risk - with older homes, particularly those built before 1986, representing the portion of the stock where lead-soldered joints may still be present.
Most homes in Avondale 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.
Avondale: Remediation Cost in Perspective
While Avondale homeowners face a manageable path to remediation, the equity share sits in the moderate tier - a signal that proactive budgeting matters more here than in lower-ratio markets.
Remediation costs are moderate relative to home values in Avondale. The estimated $1,600–$3,300 range is manageable for most homeowners but still worth budgeting for. Home values are 53% below the Colorado average.
Protecting Children from Lead in Avondale
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.
If 46% of the Avondale inventory comes from before the federal ban on lead-bearing solder - and if utility samples sit at or near 0.015 mg/L - the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Avondale
Historical NFIP data for Avondale contains 4 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $8,904. Among ZIP codes with claim records, 0% 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>$2,400</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.
What You Can Do in Avondale
- 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 46% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Avondale, CO