No open health-based violations on EPA record in the last 10 years.
Serves about 6,700 people (1,960 connections) with surface water from its own intake.
From EPA's record for CO0123167. PurityMap is independent of Town of Carbondale.
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2 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From August 2022 | Surface Water Treatment Rule | – | – | Resolved |
| From July 2022 | Surface Water Treatment Rule | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2025 to September 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 20 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| 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 | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| 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 | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| 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 | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| 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 | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| 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 | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-09-23 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-09-23 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| 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 | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-09-23 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-09-23 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-02-03 to 2025-08-18 | UCMR5 Analytical Results: CARBONDALE TOWN OF (CO0123167) |
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 →Town of Carbondale's phone number on EPA record is 970-319-6259. Its mailing address is 0101 HWY 133, CARBONDALE, CO 81623.
According to EPA's record, Town of Carbondale uses surface water from its own intake.
EPA's record shows 2 health-based violations for Town of Carbondale in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 15 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Town of Carbondale's latest lead and copper round, which ended in December 2025, was 1.5 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Town of Carbondale. Its phone number on EPA record is 970-319-6259. Its mailing address on EPA record is 0101 HWY 133, CARBONDALE, CO 81623. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.