Fault Zone Spring
Fault Zone Spring emerges at 90°F from state-owned lands on Utah Lake's shore, flowing 710 meters from South Centennial Boulevard at 4,500 feet elevation in Utah County. Managed by School and Institutional Trust Lands Administration, the spring carries no known protection status and unknown public access. Water chemistry shows 1,670 mg/L total dissolved solids with 509 mg/L sulfate and 440 mg/L chloride at pH 7.8.
The spring occupies the eastern margin of Utah Lake, where alluvial fans from the Wasatch Range meet the shallow endorheic basin that once formed part of pluvial Lake Bonneville. Wetland vegetation including cattails and bulrush marks the lake's fluctuating shoreline, while the urban development of Saratoga Springs encroaches from the east. At this elevation, annual precipitation totals 15.4 inches with 39.1 inches of snow falling in winters when the lake occasionally freezes. The Wasatch Mountains rise immediately east, their peaks exceeding 11,000 feet and visible from the spring's low-lying position on the valley floor.
The spring's name references the Wasatch Fault, which runs along the mountain front and controls groundwater circulation through fractured bedrock, allowing deep-heated water to rise along fault planes. Utah Lake has sustained human occupation for over 10,000 years, with Ute peoples harvesting fish and waterfowl before Mormon settlers arrived in 1849. The lake's level has fluctuated dramatically since settlement, controlled by Jordan River outlet works constructed in the early twentieth century. State lands here serve as revenue-generating assets for public education, though access policies remain undefined.
The spring's legal access status remains unclear, complicating visit planning. The 710-meter walk from the nearest public road crosses state trust lands where permission requirements vary. Spring through fall offer the best conditions, though summer heat can make the 90°F water less appealing. Winter fog and valley inversions can persist for days when high pressure stalls over the Great Basin. Little Mill Campground sits 22.7 kilometers southeast in American Fork Canyon at higher elevation, providing developed sites and trout fishing along American Fork Creek.
Is Fault Zone Spring worth visiting?
Best for
- Warm-water soaking
- Overnight camping trips
- Mineral-rich therapeutic bathing
The water at Fault Zone Spring is slightly alkaline (pH 7.8) with 1670 mg/L total dissolved solids. It is notably rich in calcium (may support bone density and joint health), magnesium (known for muscle relaxation and stress relief), and sulfate (traditionally used for skin conditions and inflammation).
Overview Little Mill Campground is located in American Fork Canyon on the banks of American Fork Creek. This popular campground is a great place to escape the hot summer days while hiking or fishing.Recreation American Fork Creek is a favorite among fly-fisherman. The creek is stocked with rainbow trout. The 20-mile paved Alpine Loop Scenic Byway passes the campground, traveling through alpine canyons, mountain meadows, aspen groves and pine forests, providing breathtaking views of the Was...