City of Lewistown Reservoir
Lewis County, Missouri34 acresView mapDirections
No nutrient or algae sampling on record from Missouri DNR for this lake.
- Impaired · Pesticides
City of Lewistown Reservoir in Lewis County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Surface area: 34 acres.
City of Lewistown Reservoir is a 34-acre lake in Lewis County, Missouri.
Source: EPA Water Quality Portal sampling records, Missouri DNR. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. City of Lewistown Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for pesticides. Check local advisories before you swim.
Whether City of Lewistown Reservoir is safe to swim in today is a call for the Missouri Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for City of Lewistown Reservoir
These are the measurements Missouri DNR publishes for City of Lewistown Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about City of Lewistown Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
34 acres
Shoreline
1.9 mi
No bathymetric survey has been published for City of Lewistown Reservoir, so its depth is not documented here.
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Fishing City of Lewistown Reservoir
EPA Impairment Status
City of Lewistown Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Drinking water.
Source: EPA ATTAINS assessment unit MO_7020.00 · Official waterbody report
Nearby Lakes in Lewis County
Frequently asked questions about City of Lewistown Reservoir
Where is City of Lewistown Reservoir?
- City of Lewistown Reservoir is a lake in Lewis County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of City of Lewistown Reservoir?
- City of Lewistown Reservoir in Lewis County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Surface area: 34 acres.
Is City of Lewistown Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. City of Lewistown Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for pesticides. Check local advisories before you swim.
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Where this data comes from
Measurements for City of Lewistown Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database