Thornton, AR (71766): 3 Violations Recorded for Mapped Water Systems
EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Calhoun County Water Assn)
EPA records for the water systems mapped to 71766 in Thornton, AR contain 3 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 3 violations (non-health) (since 2021).
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
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Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 2 of 4 components and 1 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (6) HIGH
Your Water System
ZIP code 71766 in Thornton, Arkansas is mapped to the water system Calhoun County Water Assn (EPA ID: AR0000919). This system provides water to approximately 1,591 people from groundwater sources.
There are 2 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Calhoun County Water Assn | AR0000919 | 1,591 | Groundwater |
| Locust Bayou Water Association | AR0000102 | 531 | Groundwater |
Other Water Quality Reports in Arkansas
- 71601 (Pine Bluff)
- 71602 (White Hall) - 1 violation recorded for mapped water systems
- 71603 (Pine Bluff) - 1 violation recorded for mapped water systems
- 71611 (Pine Bluff)
- 71612 (White Hall)
- 71613 (Pine Bluff)
- 71630 (Arkansas City)
- 71631 (Banks) - 1 violation recorded for mapped water systems
- 71635 (Crossett) - 7 violations recorded for mapped water systems
- 71638 (Dermott) - 20 violations recorded for mapped water systems
- 71639 (Dumas) - 90 violations recorded for mapped water systems
- 71640 (Eudora) - 28 violations recorded for mapped water systems
- 71642 (Fountain Hill) - 18 violations recorded for mapped water systems
- 71643 (Gould) - 7 violations recorded for mapped water systems
- 71644 (Grady) - 4 violations recorded for mapped water systems
- 71646 (Hamburg) - 18 violations recorded for mapped water systems
- 71647 (Hermitage)
- 71651 (Jersey)
- 71652 (Kingsland) - 4 violations recorded for mapped water systems
- 71653 (Lake Village) - 25 violations recorded for mapped water systems
Nearby Water Quality Reports
- 71742 (Fordyce) - 5 mi - 4 violations recorded for mapped water systems
- 71720 (Bearden) - 8 mi - 5 violations recorded for mapped water systems
- 71748 (Ivan) - 10 mi
- 71652 (Kingsland) - 12 mi - 4 violations recorded for mapped water systems
- 71744 (Hampton) - 17 mi - 4 violations recorded for mapped water systems
- 71660 (New Edinburg) - 17 mi - 4 violations recorded for mapped water systems
- 71745 (Harrell) - 19 mi
- 71631 (Banks) - 20 mi - 1 violation recorded for mapped water systems
- 71725 (Carthage) - 21 mi
- 71763 (Sparkman) - 23 mi - 3 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Calhoun County Water Assn (AR0000919) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
Environmental Hazards (10) HIGH
Home & Infrastructure (6) MODERATE
Cost & Community (7) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Thornton
Based on local data for ZIP 71766, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Gutter Installation & Repair
The median home in 71766 was built around 1973. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Thornton is 1973; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Homes built around 1973 may be on their second or third roof. A professional inspection can catch damage before leaks start.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 71766 safe to drink?
EPA SDWIS records 3 violations since 2021 across the water systems mapped to ZIP 71766 (primary system: Calhoun County Water Assn), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 71766's water come from?
The recorded water source for Calhoun County Water Assn, a system mapped to ZIP code 71766, is Groundwater. This system serves approximately 1,591 people.
How can I get my water tested in Thornton?
If Calhoun County Water Assn supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 71766?
71766 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Calhoun County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
How to cite this page
ZipCheckup. (2026). Thornton, AR (71766): 3 Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/71766/
@misc{zipcheckup-report-71766,
author = {{ZipCheckup}},
title = {{Thornton, AR (71766): 3 Violations Recorded for Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/71766/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 71766
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 71742 | Fordyce, AR | 4.6 mi | N/A | 4 |
| 71720 | Bearden, AR | 8.2 mi | N/A | 5 |
| 71748 | Ivan, AR | 10.0 mi | N/A | 0 |
| 71652 | Kingsland, AR | 12.1 mi | N/A | 4 |
| 71744 | Hampton, AR | 16.7 mi | N/A | 4 |
| 71660 | New Edinburg, AR | 16.8 mi | N/A | 4 |
| 71745 | Harrell, AR | 19.1 mi | N/A | 0 |
| 71631 | Banks, AR | 20.4 mi | N/A | 1 |
| 71725 | Carthage, AR | 21.0 mi | N/A | 0 |
| 71763 | Sparkman, AR | 23.1 mi | N/A | 3 |
Nearby ZIP Code Reports
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