Hospital Lake
Hospital Lake in Becker County, Minnesota has a water quality grade of A (Excellent). Water clarity: 18 ft visibility. Phosphorus: 10.5 µg/L. Chlorophyll-a (algae): 2 µg/L.
- Clarity
- 18 ft
- Type
- Oligotrophic
- Public access
- No
Next lake in Becker County
Hospital Lake is a cold, clear oligotrophic lake in Becker County, Minnesota. Water quality is graded A based on 2 sampling years through 2025. Limited fish-species data available. No public access — the lake is private or restricted. Compared to the 83 other monitored lakes in Becker County, Hospital Lake ranks #54 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-08. Grade methodology: LakeGrade methodology.
Watch Hospital Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A (Excellent)
Crystal clear, you can see 18 ft down. Phosphorus level: 10.5 µg/L. Chlorophyll-a: 2 µg/L. Trophic State Index: 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 18 ft | Not graded |
| Phosphorus | 10.5 µg/L | Good |
| Chlorophyll-a (Algae) | 2 µg/L | Good |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Hospital Lake
Compare lakeside cabins, hotels, and vacation rentals near Hospital Lake in Becker County, Minnesota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Hospital Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Minnesota’s top lakes →
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fishing Hospital Lake
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Hospital Lake under Clean Water Act (NPDES) discharge permits. 2 facilities have a reported Clean Water Act violation in the past three years.
- White Earth WwslWhite Earth · 2.1 mi away · NPDES MN0064173Recent violation
- OgemaOgema · 4.1 mi away · NPDES MN0049794Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
County Ranking
Ranked #54 of 84 lakes in Becker County
Nearby Lakes in Becker County
Frequently asked questions about Hospital Lake
What is the water quality grade for Hospital Lake?
- Hospital Lake in Becker County, Minnesota has a water quality grade of A (Excellent). Water clarity: 18 ft visibility. Phosphorus: 10.5 µg/L. Chlorophyll-a (algae): 2 µg/L.
Is Hospital Lake safe to swim in?
- Excellent for swimming, crystal clear water with minimal algae. Hospital Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 2 µg/L. Always check local health department advisories before swimming.
How deep is Hospital Lake?
- The available depth estimate for Hospital Lake is shallower than its measured water clarity, which cannot be right, so no depth is shown.
Explore Hospital Lake across LakeGrade
Fish species and top-graded lakes across Minnesota
Fish species and best lakes in Becker County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Detroit Lakes Area area
Top lakes and where to stay in the Park Rapids Area area
Where to stay at Minnesota's top lakes, each with its grade
Lakes in the Red River of the North Watershed, ranked by water quality
Low nutrients, clear water, excellent for swimming
Minnesota's cleanest and most-polluted lakes, ranked
More Minnesota Lake Rankings
Other Grade A Lakes in Minnesota
Oligotrophic Lakes in Minnesota
Where this data comes from
34 measurements from 2 monitoring stations, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Chippewa Tribe, Minnesota (White Earth Band) (Tribal)
WEARTH_WQX34 samples · 2025
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- Turbidity by Nephelometry
Monitoring station identifiers (2)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)