Is Newcastle, Wyoming tap water safe?
7 water systems report serving Newcastle. Your water depends on which one serves your address. Check your bill if unsure.
B
City of Newcastle
Serves 3,595 people · Groundwater · Full report →
No health-based violations in the last 5 years; 92 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
Salt Creek Water District
Serves 600 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
West End Water District
Serves 225 people · Groundwater · Full report →
No health-based violations in the last 5 years; 66 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
Cambria I&s District
Serves 148 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
C
Water Unlimited, Incorporated
Serves 144 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 66 monitoring/reporting violations; 4 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2021).
B
Canyon Improvement & Service District
Serves 79 people · Groundwater · Full report →
No health-based violations in the last 5 years; 6 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Sunset Ranch Water District
Serves 70 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).