Alpena, SD
MID-DAKOTA RURAL WATER · Serves 12K people · Surface Water
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contaminants
detected
exceed
guidelines
Most concerning
HAA9
1074×health limit
TraceAlso detected: Fluoride, Copper, Barium, Gross alpha, molybdenum, Chromium (total), Selenium, vanadium, manganese, Antimony (+10 more contaminants)
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The truth about legal limits
Legal does not equal safe.
Meeting EPA legal limits does not mean your water is safe for drinking.
We benchmark against the strictest independent health-based guidelines.
All Contaminants
20Filter by health risk
Critical findings — every contaminant in your water that exceeds the EWG health limit by 10× or more. Start here.
Filtration Analysis
Viven
Multi-stage
Activated
Carbon filter
Reverse
Osmosis only
PFAS / Forever Chemicals
Viven
99.9%Carbon
PartialRO only
YesHeavy Metals
Viven
99.9%Carbon
LimitedRO only
YesRadionuclides
Viven
99.9%Carbon
NoRO only
YesMinerals re-added
Viven
YesCarbon
NoRO only
NoContaminants in your water that Viven removes
Reserve nowFrequently asked
Alpena water quality questions
- Is tap water in Alpena, SD (ZIP 57312) safe to drink?
- Tap water for ZIP 57312, served by MID-DAKOTA RURAL WATER, has 9 contaminants detected above independent EWG health guidelines, including HAA9 at 1074× the guideline. Meeting EPA legal limits does not necessarily mean water is safe — federal legal limits are often far higher than the latest health-based guidelines.
- What contaminants are in Alpena, SD tap water?
- EPA monitoring data for ZIP 57312 shows 20 contaminants detected, including HAA9, Arsenic, HAA5, TTHM, TOTAL HALOACETIC ACIDS (HAA5), HAA6Br. Each detected level is compared against both EPA legal limits and the stricter EWG health guidelines.
- Does Alpena, SD tap water have PFAS ("forever chemicals")?
- No PFAS were detected in the available testing (30 compounds tested) for ZIP 57312. PFAS testing coverage varies by water system, so absence in the data does not guarantee none are present.
- How can I remove these contaminants from my drinking water?
- A multi-stage filtration system that combines activated carbon, reverse osmosis, and remineralization removes PFAS, heavy metals, and disinfection byproducts while restoring beneficial minerals. The Viven faucet is engineered to remove 99.9% of the contaminants found in tap water.
- Where does this Alpena, SD water quality data come from?
- This report is built from U.S. EPA data: the Unregulated Contaminant Monitoring Rule (UCMR 3/4/5), the Six-Year Review (SYR4), the Lead and Copper Rule (LCR), and SDWIS violation records. Detected levels are compared against EPA legal limits and Environmental Working Group (EWG) health guidelines. Data last updated 2026-05-01.
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