ZipCheckup grade for 57706: B.
This ZIP has a few items worth a quick check.
Your top priority: match a filter's certification to the violations (9 health-based violations). Check your ZIP → NSF certified filters
Ellsworth Afb, SD (57706): 9 Health-Based Violations Recorded for Mapped Water Systems - 79/100
EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Ellsworth Afb)
Health-based violation records by water system:
- Box Elder (9)
EPA records for the water systems mapped to 57706 in Ellsworth Afb, SD contain 9 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 9 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 9 health-based violations (since 2021).
- Lead The reported 90th-percentile lead result of 0.001 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
Get updates when new water-quality data is available for your area
Free alerts when new EPA data affects ZIP code 57706. No spam - just safety updates.
Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.
See incorrect data? Let us know
Score Breakdown
Overall Home Safety Score: 79/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (6) CRITICAL
Your Water System
ZIP code 57706 in Ellsworth Afb, South Dakota is mapped to the water system Ellsworth Afb (EPA ID: SD4680004). This system provides water to approximately 9,100 people from surface water sources.
There are 2 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Ellsworth Afb | SD4680004 | 9,100 | Surface water |
| Box Elder | SD4600046 | 14,000 | Groundwater |
Other Water Quality Reports in South Dakota
- 57001 (Alcester) - 2 violations recorded for mapped water systems
- 57002 (Aurora)
- 57003 (Baltic)
- 57004 (Beresford) - 2 violations recorded for mapped water systems
- 57005 (Brandon) - 3 violations recorded for mapped water systems
- 57006 (Brookings) - 3 violations recorded for mapped water systems
- 57007 (Brookings)
- 57010 (Burbank)
- 57012 (Canistota)
- 57013 (Canton) - 3 violations recorded for mapped water systems
- 57014 (Centerville) - 2 violations recorded for mapped water systems
- 57015 (Chancellor) - 2 violations recorded for mapped water systems
- 57016 (Chester) - 1 violation recorded for mapped water systems
- 57017 (Colman) - 1 violation recorded for mapped water systems
- 57018 (Colton)
- 57020 (Crooks)
- 57021 (Davis)
- 57022 (Dell Rapids) - 1 violation recorded for mapped water systems
- 57024 (Egan) - 3 violations recorded for mapped water systems
- 57025 (Elk Point)
Nearby Water Quality Reports
- 57719 (Box Elder) - 2 mi - 12 violations recorded for mapped water systems
- 57701 (Rapid City) - 6 mi - 2 violations recorded for mapped water systems
- 57703 (Rapid City) - 8 mi - 10 violations recorded for mapped water systems
- 57709 (Rapid City) - 13 mi
- 57718 (Black Hawk) - 14 mi - 2 violations recorded for mapped water systems
- 57761 (New Underwood) - 14 mi
- 57769 (Piedmont) - 16 mi - 2 violations recorded for mapped water systems
- 57702 (Rapid City) - 17 mi - 2 violations recorded for mapped water systems
- 57725 (Caputa) - 20 mi
- 57785 (Sturgis) - 21 mi - 2 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 Ellsworth Afb (SD4680004) 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.
Compliance History
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 57706 show no PFAS detections among the compounds tested, at the program's reporting levels.
The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.
Environmental Hazards (10) HIGH
Home & Infrastructure (6) OK
Cost & Community (7) OK
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Frequently Asked Questions
Is the tap water in 57706 safe to drink?
EPA SDWIS records 9 violations since 2021 across the water systems mapped to ZIP 57706 (primary system: Ellsworth Afb), including 9 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 57706's water come from?
The recorded water source for Ellsworth Afb, a system mapped to ZIP code 57706, is Surface water. This system serves approximately 9,100 people.
How does Ellsworth Afb water compare to the national average?
Ellsworth Afb's Home Safety Score ranks better than 59% of U.S. ZIP codes, and at or above 84% within South Dakota.
How can I get my water tested in Ellsworth Afb?
If Ellsworth Afb 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.
Is lead a concern in 57706 tap water?
The Lead and Copper Rule record selected for 57706 reports a 90th-percentile lead result of 0.001 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 57706?
57706 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Meade 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). Ellsworth Afb, SD (57706): 9 Health-Based Violations Recorded for Mapped Water Systems - 79/100. https://zipcheckup.com/report/57706/
@misc{zipcheckup-report-57706,
author = {{ZipCheckup}},
title = {{Ellsworth Afb, SD (57706): 9 Health-Based Violations Recorded for Mapped Water Systems - 79/100}},
year = {2026},
url = {https://zipcheckup.com/report/57706/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 57706
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 57719 | Box Elder, SD | 1.8 mi | B | 12 |
| 57701 | Rapid City, SD | 6.4 mi | B | 2 |
| 57703 | Rapid City, SD | 8.3 mi | C | 10 |
| 57709 | Rapid City, SD | 12.9 mi | N/A | 0 |
| 57718 | Black Hawk, SD | 13.5 mi | B | 2 |
| 57761 | New Underwood, SD | 13.6 mi | N/A | 0 |
| 57769 | Piedmont, SD | 15.6 mi | B | 2 |
| 57702 | Rapid City, SD | 17.1 mi | B | 2 |
| 57725 | Caputa, SD | 19.5 mi | N/A | 0 |
| 57785 | Sturgis, SD | 21.0 mi | B | 2 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
Home Safety Score →Find the right water filter
Water Filter Matcher →Compare filters, tests & services
Compare My Options →Compare with another ZIP
Compare Tool →2026 Rankings