Van Buren County, Iowa · Water Quality Report Card
Lacey-Keosauqua Beach Lake
Lacey-Keosauqua Beach Lake in Van Buren County, Iowa is not rated for water quality — its monitoring record does not meet the evidence bar.
- Trend
- ↑ Improving
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. Grade methodology: LakeGrade methodology.
Watch Lacey-Keosauqua Beach Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
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.
Water Quality Grade: Not rated
No clarity data.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data |
Where to stay near Lacey-Keosauqua Beach Lake
Compare lakeside cabins, hotels, and vacation rentals near Lacey-Keosauqua Beach Lake in Van Buren County, Iowa — 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 Lacey-Keosauqua Beach Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Lacey-Keosauqua Beach Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Lacey-Keosauqua Beach Lake — straight to your inbox. No spam, unsubscribe anytime.
Planning a whole trip? See where to stay at Iowa’s top lakes →
Fishing Lacey-Keosauqua Beach Lake
Water Quality Trend: ↑ Improving
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.254 m/yr | 4 |
| Phosphorus | ↑ Improving | -13 µg/L/yr | 4 |
| Chlorophyll-a | ↓ Declining | +2.16 µg/L/yr | 4 |
Location
Nearby Lakes in Van Buren County
Explore Lacey-Keosauqua Beach Lake across LakeGrade
More Iowa Lake Rankings
Other Lakes in Iowa
More records, surveys & data sources
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)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2024-08-28
Monitoring stations: 1