Is tap water in Ellsworth Afb (57706) safe to drink?
- Belle Fourche-Cheyenne Valleys UT, SD
- Ellsworth Afb, SD
The short answer for Ellsworth Afb (57706)
Box Elder tap water has 1 detected contaminant, currently below EPA limits (tested November 2023). lithium measured closest to the threshold. See the full compound-by-compound report.
The health risk for Box Elder
- PFAS or other chemicals detected; no confirmed exceedances in multiple samples.
lithium was detected below EPA limits. A certified filter can still add an extra layer of protection.
Here's what actually removes PFAS from your water
The right filter eliminates PFAS at the tap. But not all filters do - and the type you choose matters for your home.
Common pitchers like Brita do not remove PFAS. You need a filter independently certified to NSF P473 (for pitcher filters) or NSF/ANSI 58 (for reverse osmosis systems). All three options below carry the relevant certification.
| Compound | Measurement | EPA Limit | Comparison |
|---|---|---|---|
| lithium Tested: November 2023 · W Gate Rd |
9.630 µg/L | 10 µg/L | 96% of limit |
View all tested compounds
W Gate Rd · Tested: Multiple dates
| Compound | Measurement | EPA Limit | Comparison |
|---|---|---|---|
| lithium | 9.630 µg/L | 10 µg/L | 96% of limit |
| PFHxS | <0.003 µg/L | 0.004 µg/L | Below limit |
| HFPO-DA | <0.005 µg/L | 0.01 µg/L | Below limit |
| PFNA | <0.004 µg/L | 0.01 µg/L | Below limit |
| PFHxA | <0.003 µg/L | 3 µg/L | Below limit |
| PFBA | <0.005 µg/L | 6 µg/L | Below limit |
| 11Cl-PF3OUdS | <0.005 µg/L | 0.005 µg/L | Below limit |
| 4:2 FTS | <0.003 µg/L | 0.003 µg/L | Below limit |
| 6:2 FTS | <0.005 µg/L | 0.005 µg/L | Below limit |
| 8:2 FTS | <0.005 µg/L | 0.005 µg/L | Below limit |
| 9Cl-PF3ONS | <0.002 µg/L | 0.002 µg/L | Below limit |
| ADONA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFBS | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFDA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFDoA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFHpA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFHpS | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFOA | <0.004 µg/L | 0.004 µg/L | Below limit |
| PFOS | <0.004 µg/L | 0.004 µg/L | Below limit |
| PFPeA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFTrDA | <0.007 µg/L | 0.007 µg/L | Below limit |
| PFUnA | <0.002 µg/L | 0.002 µg/L | Below limit |
Water utilities serving ZIP 57706
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- BOX ELDERAction advised
- ELLSWORTH AFBSome concern
Frequently Asked Questions about ZIP 57706 Tap Water
What's in ZIP 57706 tap water?
ZIP 57706 has 1 detected contaminant below EPA limits in this dataset. lithium measured closest to its guideline.
Will boiling ZIP 57706 tap water remove lithium?
No. Boiling tap water does not remove lithium. Lithium is a dissolved mineral, so heat does not break it down and evaporation can actually concentrate it. Reverse osmosis (NSF/ANSI 58) is the most reliable at-home option for reducing lithium.
Do basic pitcher filters remove lithium?
Standard pitcher filters are not certified to reduce lithium. Reverse osmosis (NSF/ANSI 58) is the most widely available home option for reducing lithium in drinking water.
Who provides tap water in ZIP 57706?
Public records identify BOX ELDER as a primary water system associated with ZIP 57706. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 57706 tap water last tested?
The most recent test date used in this report is January 2024. EnviroClarity last refreshed this page on 2026-05-05.
Where can I find the official water quality report for ZIP 57706?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact BOX ELDER or visit their website for the latest official report covering ZIP 57706. The EPA also maintains a national CCR locator.
Check another ZIP code
Nearby ZIP reports
- 57719 - Rapid City East UT, Box Elder tap water report
- 57701 - Ashland Heights, Rapid City tap water report
- 57703 - Rapid City East UT, Rapid City tap water report
- 57718 - Blackhawk tap water report
- 57769 - Piedmont tap water report
- 57702 - Mount Rushmore UT, Rapid City tap water report
- 57785 - Sturgis tap water report
- 57751 - Keystone tap water report
Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.