Is tap water in Sioux Falls (ZIP 57186) safe to drink?
The short answer for Sioux Falls (ZIP 57186)
Sioux Falls tap water tested within EPA guidelines across all compounds checked (tested May 2025). See the complete test results, measurements, and what was tested.
The health risk for Sioux Falls
- All tested compounds were below lab detection limits.
Certified filtration options for common tap-water contaminants.
No compounds above or close to EPA limits in available data.
View all tested compounds
Reservoir 3 Booster · Tested: May 2025
| Compound | Measurement | EPA Limit | Comparison |
|---|---|---|---|
| lithium | <9.000 µg/L | 10 µg/L | Below 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 57186
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- LINCOLN COUNTY RURAL WATER SYSTEMAction advised
- SIOUX FALLSAction advised
Frequently Asked Questions about ZIP 57186 Tap Water
What's in ZIP 57186 tap water?
ZIP 57186 did not show contaminants above EPA health guidelines in the latest available dataset. The full table on this page lists every compound that was tested.
Who provides tap water in ZIP 57186?
Public records identify LINCOLN COUNTY RURAL WATER SYSTEM as a primary water system associated with ZIP 57186. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 57186 tap water last tested?
The most recent test date used in this report is May 2025. EnviroClarity last refreshed this page on 2026-05-05.
Where can I find the official water quality report for ZIP 57186?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact LINCOLN COUNTY RURAL WATER SYSTEM or visit their website for the latest official report covering ZIP 57186. The EPA also maintains a national CCR locator.
Do I still need a water filter in ZIP 57186?
Even when EPA-tracked compounds are within limits, some households use a certified filter for taste, odor, or to add a margin against trace contaminants below the reporting limit. Match any filter's certifications (NSF/ANSI 42, 53, 58, or P473) to the specific compounds you care about.
Check another ZIP code
Nearby ZIP reports
- 57104 - Meadow View Addition, Sioux Falls tap water report
- 57105 - Sioux Falls tap water report
- 57101 - Sioux Falls tap water report
- 57103 - Sioux Falls tap water report
- 57106 - Wall Lake, Sioux Falls tap water report
- 57107 - Benton, Sioux Falls tap water report
- 57108 - Springdale, Sioux Falls tap water report
- 57110 - Split Rock, Sioux Falls tap water report
Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.