- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- Lithium: found in 8 of 8 samples, average 99.8 µg/L, highest 127 µg/L (EPA UCMR 5 testing, Jun 2025–Dec 2025)
- Lead, 90th percentile: 5 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2026–Dec 31, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
- Health-based violation: Groundwater Rule, Groundwater Rule, from Oct 2024, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Oct 2024–Jan 2025 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Jul 2024–Jan 2025 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Jul 2024–Jan 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Apr 2024–Jul 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, from Apr 2024, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Apr 2024–Jan 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Feb 2024–Aug 2024 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Feb 2024–Feb 2024 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Feb 2024–Feb 2024 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Aug 2024 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Aug 2024 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Aug 2024 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Jan 2024–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Jan 2024–Jan 2025 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Oct 2023–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Oct 2023–Jan 2025 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Jul 2023–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Apr 2023–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Jan 2023–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Oct 2022–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Jul 2022–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Apr 2022–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Jan 2022–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Oct 2021–Apr 2024 (EPA SDWIS)
- Health-based violation: Inorganic Chemicals, Arsenic, Jul 2021–Apr 2024 (EPA SDWIS)



