The Fifth Water Hot Springs trailhead is found by taking Diamond Fork Road (north) from U.S. Highway 6 (Spanish Fork Canyon). DEQ’s recreational water quality monitoring checks for Harmful Algal Blooms (HABs). Find the most recent Newton Reservoir monitoring information below.

Monitoring for recreational water quality on March 18, 2025

OK, but use good hot spring hygiene:

• Do not dunk head
• Do not drink water or get it in your mouth
• Do not let pets drink water
• Avoid contact with algae growing on the sides and bottoms of some pools
• Dry off thoroughly after soaking and shower as soon as you get home

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Monitoring for recreational water quality on March 16, 2023

GOOD NEWS: Samples collected on February 8 indicate that the bacteria causing rashes at Fifth Water Hot Springs (“hot tub rash”) is no longer present at harmful levels.

MORE GOOD NEWS: No harmful toxins were detected over the period of March 3-12.

To be save, when visiting Fifth Water Hot Springs we still recommend:

• Do not dunk head
• Do not drink water or get it in your mouth
• Do not let pets drink water
• Avoid contact with algae growing on the sides and bottoms of some pools

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Monitoring for recreational water quality on February 9, 2023

GOOD NEWS: Samples collected on February 8 indicate that the bacteria causing rashes at Fifth Water Hot Springs (“hot tub rash”) is no longer present at harmful levels.

BE CAREFUL: Harmful algae (benthic cyanobacteria) is still present at the hot springs.

If visiting Fifth Water Hot Springs, we recommend:

• Do not dunk head
• Do not drink water or get it in your mouth
• Do not let pets drink water
• Avoid contact with algae growing on the sides and bottoms of some pools

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Monitoring for recreational water quality on December 19, 2022

BE CAREFUL: Harmful bacteria may be present at Fifth Water Hot Springs. This bacteria could cause rashes.

If visiting Fifth Water Hot Springs, we recommend:

• Dry off thoroughly after soaking
• Don’t hike out in wet clothes
• Shower immediately after soaking
• Do not dunk head
• Do not drink water or get it in your mouth
• Do not let pets drink water
• Avoid contact with algae growing on the sides and bottoms of some pools

A sample collected on 12/19 indicated high levels of the bacteria responsible for “hot tub rash” (Pseudomonas aeruginosa). Harmful algae (benthic cyanobacteria) may also be present. DWQ is working with the Uinta-Wasatch-Cache National Forest and Utah County Health Department to monitor this site.