Lake Wapello Beach
Davis County, IowaView mapDirections
No nutrient or algae sampling on record from Iowa DNR for this lake.
- Impaired · Mercury
- Public access
- Limited data
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Answers come straight from the public measurements and survey records on this page.
Lake Wapello Beach in Davis County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported.
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Lake Wapello Beach is a lake in Davis County, Iowa. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, Iowa DNR, last sampled 2024-08-28. Grade methodology: LakeQuality methodology.
What Lake Wapello Beach is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
Swimming conditions
No readingBacteria tested: exceedances
Based on E. coli testing, Lake Wapello Beach occasionally exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 7.6% of 105 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 Lake Wapello Beach 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 Lake Wapello Beach
These are the measurements Iowa DNR publishes for Lake Wapello Beach, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Recreation & Access
- Lake Wapello State Park - EastPublic
- Lake Wapello State Park - WestPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Wapello Beach
Water Quality Trend: ↑ Improving
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.244 m/yr | 4 |
| Phosphorus | ↓ Declining | +3.4 µg/L/yr | 4 |
| Chlorophyll-a | ↑ Improving | -5.87 µg/L/yr | 4 |
EPA Impairment Status
Lake Wapello Beach is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit IA 04-LDM-1035 · Official waterbody report · Matched by proximity (0.41 km)
Nearby Lakes in Davis County
Frequently asked questions about Lake Wapello Beach
Where is Lake Wapello Beach?
- Lake Wapello Beach is a lake in Davis County, Iowa. Its water-quality measurements are published by Iowa DNR and shown on this page as reported.
What is the water quality of Lake Wapello Beach?
- Lake Wapello Beach in Davis County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported.
Is Lake Wapello Beach safe to swim in?
- Based on E. coli testing, Lake Wapello Beach occasionally exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 7.6% of 105 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 Lake Wapello Beach 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.
Are there boat ramps on Lake Wapello Beach?
- Lake Wapello Beach has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake Wapello State Park - East, Lake Wapello State Park - West. Public access is listed as yes.
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Where this data comes from
42 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_WQX42 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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory