- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- Lithium: found in 14 of 14 samples, average 18.7 µg/L, highest 34.2 µg/L (EPA UCMR 5 testing, May 2025–Dec 2025)
- Lead, 90th percentile: 2 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, 2024–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 Jan 2026, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, from Jan 2026, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2026–Feb 2026 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, from Jan 2026, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, from Jan 2026, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, from Jan 2026, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2026–Feb 2026 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2025 (EPA SDWIS)
- Health-based violation: Groundwater Rule, Groundwater Rule, Jan 2024–Mar 2025 (EPA SDWIS)



