Ctwc - Crystal Springs Div., CT
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Ctwc - Crystal Springs Div. at a glance
Ctwc - Crystal Springs Div. serves about 169 people through 39 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Tolland County, Connecticut. EPA system ID: CT0787011; phone on file: 860-944-9655. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Ctwc - Crystal Springs Div.'s lead record
Against the period ending 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Ctwc - Crystal Springs Div. is 2.5 ppb across 11 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2024 | 0.9 ppb |
| 2024 | 1.3 ppb |
| 2023 | 0.9 ppb |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2018 | 2.4 ppb |
| 2017 | 2.5 ppb |
How Ctwc - Crystal Springs Div. compares
Of the 493 Connecticut systems with a lead result, the median latest reading is 0.8 ppb; 2 are over 15 ppb right now and 49 have gone over at some point. Ctwc - Crystal Springs Div.'s reported as 0 (not detected) sits at the 20th percentile in Connecticut and the 14th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
63 other systems share Tolland County; 37 of them have a higher latest lead result than Ctwc - Crystal Springs Div.. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| University Of Connecticut - Main Campus | 27,199 | 7.6 ppb |
| Ctwc - Hebron Center Division | 1,927 | 0 (not detected) |
| Tolland Water Department | 1,251 | 0 (not detected) |
| Ctwc - Amston Lake Division | 910 | 1.3 ppb |
| Ctwc - Uconn South Eagleville Div. | 750 | 0 (not detected) |
| Ctwc - Northern Reg - Lakewood/Lakeview | 748 | 0 (not detected) |
| Ctwc - Coventry Hills Div | 700 | 0 (not detected) |
| Ctwc - South Coventry System | 501 | 3.2 ppb |
| Woodhaven Apartments | 489 | 0.6 ppb |
| Vernon Village Inc. | 430 | 0 (not detected) |
Your move
Look up your address in Ctwc - Crystal Springs Div.'s service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Ctwc - Crystal Springs Div. whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. A zero today does not rule out a jump later - the rules are tightening in 2027.