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PUBLIC WATER SYSTEM REPORT

Is TWIN LAKES RESORT Water Safe to Drink in 2026?

South Dakota · PWSID SD4601007 · Ground water

Population served
27
Cities served
State / jurisdiction
South Dakota (SD)
PWSID
SD4601007
F
TAP WATER GRADE
High risk
Model score 30/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
127 violation record(s) in the latest EPA SDWA quarterly snapshot

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CONTAMINANTS — EPA UCMR5 MONITORING

No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).

VIOLATIONS HISTORY (FEDERAL SNAPSHOT)

EPA’s national SDWA quarterly files associate 127 violation-related records with this system in the same reporting quarter as the utility snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.

Get alerts if this system's EPA data changes:
WHAT TO DO ABOUT IT

Based on TWIN LAKES RESORT's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.

TOP PICKS FOR TWIN LAKES RESORT
EPA violations / contaminants in monitoring data
#1
Waterdrop G3P800 RO
EDITORS PICK
Waterdrop  ·  ~$849
Tankless 800 GPD, removes 99%+ PFAS & lead, 10-stage filtration. Smart faucet TDS display.
WHY THIS FOR TWIN LAKES RESORT · Chosen for TWIN LAKES RESORT because the latest federal SDWA snapshot lists substantial violation activity. Certified reverse osmosis provides the broadest residential barrier for households that want margin beyond legal compliance.
#2
Aquasana SmartFlow RO
MOST CERTIFIED
Aquasana  ·  ~$449
WQA Gold Seal + NSF 42/53/58/401. Most certifications of any under-sink RO. Removes 90+ contaminants.
#3
AquaTru Under-Sink RO
EASIEST FILTER CHANGE
AquaTru  ·  ~$375
NSF 42/53/58 certified. Quick-change filters, no tools. Compact tankless design, 4-stage filtration.
Not sure which filter is right for you? Take the 3-question quiz →
See all utilities in South Dakota
STAY INFORMED
Get water quality alerts for TWIN LAKES RESORT

We'll notify you when new PFAS data, EPA violations, or contamination alerts affect TWIN LAKES RESORT (PWS SD4601007). One email, no spam, unsubscribe any time.

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