Lake Wallula
Lake Wallula in Walla Walla County, Washington is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 26343 acres.
- Area
- 26,343 acres
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Why Lake Wallula has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Lake Wallula, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by WA Ecology and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Wallula is a 26,343-acre lake in Walla Walla County, Washington. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, WA Ecology, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Lake Wallula water quality
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Wallula
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lake Wallula
Compare lakeside cabins, hotels, and vacation rentals near Lake Wallula in Walla Walla County, Washington — 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 Lake Wallula
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 26,343 acres |
No bathymetric survey has been published for Lake Wallula, so its depth is not documented here.
Recreation & Access
- Walla Walla Yacht ClubSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Wallula
Nearby Lakes in Walla Walla County
Frequently asked questions about Lake Wallula
Where is Lake Wallula?
- Lake Wallula is a lake in Walla Walla County, Washington. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Lake Wallula?
- Lake Wallula in Walla Walla County, Washington is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 26343 acres.
Is Lake Wallula safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Wallula is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Lake Wallula?
- Lake Wallula has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Walla Walla Yacht Club.
Explore Lake Wallula across LakeQuality
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Where this data comes from
Measurements for Lake Wallula come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory