Is Casper, Wyoming tap water safe?

11 water systems report serving Casper. Your water depends on which one serves your address. Check your bill if unsure.

A

City of Casper

Serves 59,000 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A

Vista West Water Company

Serves 1,600 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A

Sandy Lake Estates I&s District

Serves 450 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
C

Natrona County Int'l Airport

Serves 423 people · Surface water · Full report →
1 health-based violation in the last 5 years; 5 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A

Terrace I MHC

Serves 336 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A

Hidden Hills MHP

Serves 324 people · Surface water · 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).
A

Terrace II MHC

Serves 320 people · Surface water · 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).
A

Green Valley MHP

Serves 265 people · Surface water · 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).
A

Riverside Mobile Home Court

Serves 140 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
D

Broken Wrench LLC

Serves 30 people · Groundwater · Full report →
7 health-based violations in the last 5 years; 67 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A

Central Wy Regional Water System Jpb

Serves 25 people · Surface water · 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).