No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2022.
Serves about 203 people (69 connections) with surface water bought from Canandaigua Town Cons. WD.
From EPA's record for NY3430041. PurityMap is independent of Bristol WD #1.
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13 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2022 | Total trihalomethanes (TTHM) | 92 µg/L | 0.080 mg/L | Archived |
| Oct–Dec 2021 | Total trihalomethanes (TTHM) | 94 µg/L | 0.080 mg/L | Archived |
| Jan–Mar 2021 | Total trihalomethanes (TTHM) | 83 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2020 | Total trihalomethanes (TTHM) | 82 µg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2020 | Total trihalomethanes (TTHM) | 83 µg/L | 0.080 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 85 µg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2019 | Total trihalomethanes (TTHM) | 86.75 µg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2019 | Total trihalomethanes (TTHM) | 88 µg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2019 | Total trihalomethanes (TTHM) | 84 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2018 | Total trihalomethanes (TTHM) | 84 µg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2018 | Total trihalomethanes (TTHM) | 80.25 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2017 | Total trihalomethanes (TTHM) | 82 µg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2017 | Total trihalomethanes (TTHM) | 85 µg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2025 to November 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-18 to 2025-11-12 | UCMR5 Analytical Results: BRISTOL WD #1 (NY3430041) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →Bristol WD #1's phone number on EPA record is 585-394-3300. Its mailing address is CANANDAIGUA TOWN WATER DEPARTMENT, 5440 ROUTE 5 & 20 WEST, CANANDAIGUA, NY 14424.
According to EPA's record, Bristol WD #1 uses surface water bought from Canandaigua Town Cons. WD.
EPA's record shows 13 health-based violations for Bristol WD #1 in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting January 2022. EPA also lists 3 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Bristol WD #1's latest lead and copper round, which ended in December 2023, was 1.3 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Bristol WD #1. Its phone number on EPA record is 585-394-3300. Its mailing address on EPA record is CANANDAIGUA TOWN WATER DEPARTMENT, 5440 ROUTE 5 & 20 WEST, CANANDAIGUA, NY 14424. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.