Longview Lake
Jackson County, MissouriView mapDirections
No nutrient or algae sampling on record from Missouri DNR for this lake.
- Impaired · Mercury
- Limited data
Longview Lake in Jackson County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported.
Longview Lake is a lake in Jackson County, Missouri. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2022-10-19. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Longview Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Longview Lake 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 Longview Lake
These are the measurements Missouri DNR publishes for Longview Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Longview Lake
Answers come straight from the public measurements and survey records on this page.
→ Longview Lake water level: the live USGS gauge reading
Stays via Stay22
Stays near Longview Lake
Compare lakeside cabins, hotels, and vacation rentals near Longview Lake in Jackson 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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Fishing Longview Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Worsening5 years
Phosphorus
Worsening+0.97 µg/L/yr5 years
Chlorophyll-a
Stable+0.08 µg/L/yr5 years
EPA Impairment Status
Longview Lake 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: Fish consumption.
Source: EPA ATTAINS assessment unit MO_7097.00 · Official waterbody report
Nearby Lakes in Jackson County
Frequently asked questions about Longview Lake
Where is Longview Lake?
- Longview Lake is a lake in Jackson County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Longview Lake?
- Longview Lake in Jackson County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported.
Is Longview Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Longview Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
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Where this data comes from
3 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Missouri Dept. of Natural Resources
MDNR3 samples · 2022
Analytical methods
- Depth, Secchi disk in meters
- Nitrogen and Phosphorus, Total, Whole-water, Alkaline Persulfate Digest
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
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