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Upper Klamath Lake Howard Bay

Klamath County, OregonView mapDirections

No nutrient or algae sampling on record from Oregon DEQ for this lake.

  • Impaired · Algal growth
  • Limited data
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Upper Klamath Lake Howard Bay in Klamath County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported.

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Upper Klamath Lake Howard Bay is a lake in Klamath County, Oregon.

Source: EPA Water Quality Portal sampling records, Oregon DEQ, last sampled 2022-03-16. Methodology: how these readings are compared.

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Upper Klamath Lake Howard Bay is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, oxygen depletion (low DO), pH / acidity, sediment / turbidity, temperature. Check local advisories before you swim.

Whether Upper Klamath Lake Howard Bay is safe to swim in today is a call for the Oregon Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Upper Klamath Lake Howard Bay

These are the measurements Oregon DEQ publishes for Upper Klamath Lake Howard Bay, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data.

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Answers come straight from the public measurements and survey records on this page.

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Stays near Upper Klamath Lake Howard Bay

Compare lakeside cabins, hotels, and vacation rentals near Upper Klamath Lake Howard Bay in Klamath County, Oregon — 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.

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Fishing Upper Klamath Lake Howard Bay

EPA Impairment Status

Upper Klamath Lake Howard Bay is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Algal growthMercuryOxygen depletion (low DO)pH / aciditySediment / turbidityTemperature

Designated uses not supporting: Drinking water, Aquatic life, Fish consumption, Recreation, Other.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit OR_LK_1801020303_05_100375 · Official waterbody report

Nearby Lakes in Klamath County

Geary Bridge Lake2.3 miView →Rattlesnake Point LakeHypereutrophic2.7 miView →Mid-Trench LakeHypereutrophic5 miView →Shoalwater Bay LakeHypereutrophic—View →Aspen Lake—View →Fremont Bridge LakeHypereutrophic—View →

Frequently asked questions about Upper Klamath Lake Howard Bay

Where is Upper Klamath Lake Howard Bay?

Upper Klamath Lake Howard Bay is a lake in Klamath County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.

What is the water quality of Upper Klamath Lake Howard Bay?

Upper Klamath Lake Howard Bay in Klamath County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported.

Measurements on this page ↑

Is Upper Klamath Lake Howard Bay safe to swim in?

Nutrient and algae readings are not a swimming clearance. Upper Klamath Lake Howard Bay is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury, oxygen depletion (low DO), pH / acidity, sediment / turbidity, temperature. Check local advisories before you swim.

Swimming on this page ↑

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Where this data comes from

13 measurements from 1 monitoring station, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Department of Environmental Quality - State of OregonOREGONDEQ13 samples · 2020–2022

Analytical methods

  • 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
  • 2130 B ~ Nephelometric Method
Monitoring station identifiers (1)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database