Lake Ahquabi Beach
Warren County, IowaView mapDirections
No nutrient or algae sampling on record from Iowa DNR for this lake.
- Limited data
Lake Ahquabi Beach in Warren County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported.
Lake Ahquabi Beach is a lake in Warren 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: exceedances
Based on E. coli testing, Lake Ahquabi Beach frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 22.2% of 72 samples across 5 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 Ahquabi 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 Ahquabi Beach
These are the measurements Iowa DNR publishes for Lake Ahquabi 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.
Ask about Lake Ahquabi Beach
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Lake Ahquabi Beach
Compare lakeside cabins, hotels, and vacation rentals near Lake Ahquabi Beach in Warren 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.
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Fishing Lake Ahquabi Beach
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Stable+0.55 µg/L/yr4 years
Chlorophyll-a
Improving-7.28 µg/L/yr5 years
Nearby Lakes in Warren County
Frequently asked questions about Lake Ahquabi Beach
Where is Lake Ahquabi Beach?
- Lake Ahquabi Beach is a lake in Warren 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 Ahquabi Beach?
- Lake Ahquabi Beach in Warren County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported.
Is Lake Ahquabi Beach safe to swim in?
- Based on E. coli testing, Lake Ahquabi Beach frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 22.2% of 72 samples across 5 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 Ahquabi 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.
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Where this data comes from
21 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_WQX21 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.