Epping-Springbrook Dam-Deepest Lake Water Temperature
Epping-Springbrook Dam-Deepest Lake in Williams County, North Dakota typically sits around 45°F at the surface in October — warmest in Aug (~66°F) and coldest in Oct (~45°F). That is a typical value for the month, not a live reading.
Typical water temperature by month
Column height runs from this lake’s coldest month (45°F) to its warmest (66°F).
Typical surface water temperature by month, from 82 field readings (2011–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Epping-Springbrook Dam-Deepest Lake warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Epping-Springbrook Dam-Deepest Lake water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.
Water temperatures at nearby North Dakota lakes
Summer average ~62°F
Summer average ~61°F
Summer average ~63°F
Summer average ~68°F
Summer average ~67°F
Summer average ~65°F
Explore water temperatures
Where to stay near Epping-Springbrook Dam-Deepest Lake
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Epping-Springbrook Dam-Deepest Lake — live availability and prices. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Epping-Springbrook Dam-Deepest Lake
Prices for Oct 23–25, 4 adults. Change dates on the map below.
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Frequently asked questions
What is the water temperature of Epping-Springbrook Dam-Deepest Lake?
Epping-Springbrook Dam-Deepest Lake typically sits around 45°F at the surface in October, from 82 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.
When is Epping-Springbrook Dam-Deepest Lake warmest?
Surface water at Epping-Springbrook Dam-Deepest Lake is typically warmest in August, reaching about 66°F. Lake surface temperature lags air temperature by several weeks, so the warmest water usually arrives in mid-to-late summer even though the hottest air can come earlier.
Is Epping-Springbrook Dam-Deepest Lake warm enough to swim?
At its typical summer peak of about 65°F, Epping-Springbrook Dam-Deepest Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Epping-Springbrook Dam-Deepest Lake water temperature data come from?
Every temperature on this page is a typical (climatological) value computed from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal — 82 readings from 1 monitoring station between 2011 and 2025. They describe what is typical for each month, not the temperature right now.
About this data
Water temperatures are a climatology — the typical value for each month, averaged from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal. They tell you what to expect, not the temperature at this moment. Actual conditions vary with recent weather, depth, and time of day.