Castalian Springs, TN: 12 Violations - Home Safety 78/100
1 ZIP code · 3 water systems · Updated
ZipCheckup grade for Castalian Springs: B.
This ZIP looks solid, with a few items worth a quick check.
Your top priority: consider a certified water filter (6 health violations on record). NSF certified filters →
Looking at federal monitoring data for Castalian Springs, TN: the city clears benchmarks set under the Safe Drinking Water Act with room to spare - recorded exceedances are rare, and the systems serving local households have not triggered any pattern of repeat deficiencies in recent cycles.
How Castalian Springs Compares
Data: EPA SDWIS
Castalian Springs Water: The Quick Version
- Your city's water systems recorded 12 violations in the past 5 years.
- Average lead level: 0.001 mg/L.
- Homes built before 1986: 35% - older plumbing may contain lead solder.
- Estimated remediation: $2,200 per household.
- CDC health risk index: 13.8 - above typical levels.
Water Systems Serving Castalian Springs
3 water systems are tracked federally in Castalian Springs, TN. The top 3 providers collectively serve most residential addresses, but because they operate independently, infrastructure maintenance standards and compliance histories differ from one service zone to another.
- B
- B
- B
Overview
We track home safety data for 1 ZIP code in Castalian Springs, Tennessee (population ~3,984), covering 3 community water systems serving approximately 90,710 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 6 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Castalian Springs: B (78/100)
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
Castalian Springs water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0010 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 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 8 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 8 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
| Fecal Coliform | Microbiological | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 37031 | B | 12 | 6 | Castalian Springs-bethpage U.d. |
All ZIP Codes in Castalian Springs
- 37031 [B] - 12 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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
CDC Health Data for Castalian Springs
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
Key Contaminants Detected in Castalian Springs
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Castalian Springs's Housing Stock?
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
Tap water lead levels are shaped by two factors: what the utility delivers, and what the household plumbing adds to it. Older homes contribute disproportionately to that second variable because lead solder was standard in copper plumbing before 1986, and lead pipes were common before 1970. In Castalian Springs, where the median build year is 1993, a substantial share of the housing stock falls into these older categories. The bar chart above breaks out the pre-1970, 1970-to-1986, and post-1986 segments - the key ages for understanding where plumbing-era risk concentrates across the city.
Most homes in Castalian Springs 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.
Castalian Springs: Remediation Cost in Perspective
Property equity in Castalian Springs runs well ahead of estimated remediation costs - a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Castalian Springs are relatively low compared to home values. The $1,200–$3,300 estimated range is a small fraction of median property value. Home values are 36% above the Tennessee average.
Protecting Children from Lead in Castalian Springs
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 35% of the Castalian Springs 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 Castalian Springs
Historical NFIP data for Castalian Springs contains 23 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $29,008. Among ZIP codes with claim records, 100% 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>$2,200</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 Castalian Springs, TN