Harry S Truman Reservoir
Harry S Truman Reservoir in Benton County, Missouri is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 20198 acres.
- Area
- 20,198 acres
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Why Harry S Truman Reservoir 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 Harry S Truman Reservoir, 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 Missouri DNR and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Harry S Truman Reservoir is a 20,198-acre lake in Benton County, Missouri.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Harry S Truman Reservoir 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 Harry S Truman Reservoir
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 Harry S Truman Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Harry S Truman Reservoir in Benton County, Missouri — 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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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 20,198 acres |
No bathymetric survey has been published for Harry S Truman Reservoir, so its depth is not documented here.
Recreation & Access
- TT WestPublic
- Long ShoalPublic
- Long Shoal MarinaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Harry S Truman Reservoir
Nearby Lakes in Benton County
Frequently asked questions about Harry S Truman Reservoir
Where is Harry S Truman Reservoir?
- Harry S Truman Reservoir is a lake in Benton County, Missouri. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Harry S Truman Reservoir?
- Harry S Truman Reservoir in Benton County, Missouri is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 20198 acres.
Is Harry S Truman Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Harry S Truman Reservoir 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 Harry S Truman Reservoir?
- Harry S Truman Reservoir has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include TT West, Long Shoal, Long Shoal Marina.
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Where this data comes from
Measurements for Harry S Truman Reservoir 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