Karnack, TX: 10 Health Violations - Home Safety 83/100
1 ZIP code · 5 water systems · Updated
ZipCheckup grade for Karnack: B.
This ZIP looks solid, with a few items worth a quick check.
Your top priority: consider a certified water filter (10 health violations on record). NSF certified filters →
Compared to statewide averages in TX, Karnack scores well - health violations are below the norm and systems generally operate within federal standards.
How Karnack Compares
Data: EPA SDWIS
Karnack Water: The Quick Version
- Your city's water systems recorded 46 violations in the past 5 years.
- Average lead level: 0.0021 mg/L.
- Homes built before 1986: 55% - older plumbing may contain lead solder.
- Estimated remediation: $2,900 per household.
- CDC health risk index: 14.04 - above typical levels.
Water Systems Serving Karnack
Throughout Karnack, TX, water comes from one of 3 primary utilities out of 5 total systems - independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.
- B
- B
- B
Overview
We track home safety data for 1 ZIP code in Karnack, Texas (population ~2,692), covering 5 community water systems serving approximately 36,167 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. 10 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Karnack: B (83/100)
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
Karnack water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0021 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 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead and Copper Rule | Treatment Technique | 22 | 1 |
| Fecal Coliform | Microbiological | 16 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 12 | 1 |
| Consumer Confidence Report Rule | Reporting | 12 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 8 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 75661 | B | 46 | 10 | Leigh Water Supply Corporation-rural |
All ZIP Codes in Karnack
- 75661 [B] - 46 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 Karnack
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 Karnack
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Karnack's Housing Stock?
With 55% 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
The median home in Karnack was built in 1987 - a figure that places most of the city's residential stock in the era when lead solder was still standard in copper plumbing. Homes built before 1986 may have lead-soldered joints; those built before 1970 face the additional possibility of lead pipes in the service line itself.
Over half of homes in Karnack were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Karnack: Remediation Cost in Perspective
What does the elevated remediation share mean for Karnack homeowners financially? A serious commitment - one that calls for structured planning rather than an ad-hoc response.
At 2.6% of home value, remediation costs in Karnack represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,800–$4,800. Home values here are 52% below the Texas average.
Protecting Children from Lead in Karnack
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.
Confirming what arrives at a specific faucet is something utility-side averages cannot do. With 55% of Karnack stock built before the lead-solder ban and citywide monitoring at or beyond the regulatory mark, a tap-level kit fits the standard diligence picture.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Karnack
Historical NFIP data for Karnack contains 177 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $27,493. 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>$2,900</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 Karnack, TX