Lacey-Keosauqua Beach Lake
Van Buren County, IowaView mapDirections
No nutrient or algae sampling on record from Iowa DNR for this lake.
- Limited data
Lacey-Keosauqua Beach Lake in Van Buren County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported.
Lacey-Keosauqua Beach Lake is a lake in Van Buren County, Iowa. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, Iowa DNR, last sampled 2024-08-28. Methodology: how these readings are compared.
Swimming conditions
No readingBacteria tested: low
Based on E. coli testing, Lacey-Keosauqua Beach Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 3.8% of 104 samples across 7 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Iowa’s current beach and health-department advisories before swimming.
Whether Lacey-Keosauqua Beach Lake is safe to swim in today is a call for the Iowa Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lacey-Keosauqua Beach Lake
These are the measurements Iowa DNR publishes for Lacey-Keosauqua Beach 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.
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Stays near Lacey-Keosauqua Beach Lake
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Fishing Lacey-Keosauqua Beach Lake
Water Quality Trend: Improving
Based on 4 years of monitoring (2021–2024).
Water clarity
Improving4 years
Phosphorus
Improving-13 µg/L/yr4 years
Chlorophyll-a
Worsening+2.16 µg/L/yr4 years
Nearby Lakes in Van Buren County
Frequently asked questions about Lacey-Keosauqua Beach Lake
Where is Lacey-Keosauqua Beach Lake?
- Lacey-Keosauqua Beach Lake is a lake in Van Buren County, Iowa. Its water-quality measurements are published by Iowa DNR and shown on this page as reported.
What is the water quality of Lacey-Keosauqua Beach Lake?
- Lacey-Keosauqua Beach Lake in Van Buren County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported.
Is Lacey-Keosauqua Beach Lake safe to swim in?
- Based on E. coli testing, Lacey-Keosauqua Beach Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 3.8% of 104 samples across 7 seasons. That is a historical summary of past bacteria testing, not a current reading and not a swimming clearance. Bacteria levels can spike quickly after heavy rain, so whether Lacey-Keosauqua Beach Lake is safe to swim in today is a call for Iowa's water agency and the county health department; check their current beach advisories before you swim.
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Where this data comes from
44 measurements from 1 monitoring station, 2021–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Iowa DNR Surface Water Monitoring Data
21IOWA_WQX44 samples · 2021–2024
Analytical methods
- 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.