Is Crystal Lake, CT tap water safe?
The short answer
Neither of the 2 utilities serving Crystal Lake has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records.
Ctwc - Northern Reg - Western System, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 8.0 ppt, above EPA’s new limit, which takes effect in 2029.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Crystal Lake’s ZIP codes, from EPA’s estimates.
- Open report
Ctwc - Northern Reg - Western System
Connecticut · serves 101,313 people · about 3,100 in Crystal Lake
2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOA at 8.0 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Tolland Water Department
Connecticut · serves 1,251 people · under 100 in Crystal Lake
Nothing in its records is above a health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Ctwc - Northern Reg - Western System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: PFOA, PFOS, Arsenic
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOA, PFOS, Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFOA, PFOS, Arsenic
Water testing near Crystal Lake
The 3 labs Connecticut certifies closest to Crystal Lake, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical Services, LLC - East Longmeadow
East Longmeadow, MA · about 12 miles
Certified for bacteria, nitrate, minerals and other inorganics, organic chemicals, PFAS
Phoenix Environmental Laboratories, Inc.
Manchester, CT · about 14 miles
Certified for bacteria, nitrate, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
Vallid Laboratories, Inc.
Agawam, MA · about 17 miles
Certified for bacteria
Which ZIP codes are in Crystal Lake: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Connecticut DPH, approved commercial laboratories certified to test drinking water; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Crystal Lake
Other towns in Tolland County with a page of their own.
What to do next
- Read Ctwc - Northern Reg - Western System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOARanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water