George Wyth Beach Lake
Black Hawk County, IowaView mapDirections
No nutrient or algae sampling on record from Iowa DNR for this lake.
- Impaired · Pathogens (E. coli, fecal)
- Public access
- Limited data
Ask about George Wyth Beach Lake
Answers come straight from the public measurements and survey records on this page.
George Wyth Beach Lake in Black Hawk County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported.
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George Wyth Beach Lake is a lake in Black Hawk County, Iowa. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Iowa DNR, last sampled 2024-08-21. Grade methodology: LakeQuality methodology.
What George Wyth Beach Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping1 public campground nearby
Swimming conditions
No readingBacteria advisory
Based on E. coli testing, George Wyth Beach Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 19.4% of 98 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 George Wyth 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 George Wyth Beach Lake
These are the measurements Iowa DNR publishes for George Wyth 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.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Recreation & Access
- George Wyth State ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near George Wyth Beach Lake
- George Wyth State Park-Campground0.4 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Fishing George Wyth Beach Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.036 m/yr | 5 |
| Phosphorus | ↓ Declining | +12.05 µg/L/yr | 4 |
| Chlorophyll-a | ↓ Declining | +2.98 µg/L/yr | 5 |
EPA Impairment Status
George Wyth Beach Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit IA 02-CED-465 · Official waterbody report · Matched by proximity (0.64 km)
Nearby Lakes in Black Hawk County
Frequently asked questions about George Wyth Beach Lake
Where is George Wyth Beach Lake?
- George Wyth Beach Lake is a lake in Black Hawk County, Iowa. Its water-quality measurements are published by Iowa DNR and shown on this page as reported.
What is the water quality of George Wyth Beach Lake?
- George Wyth Beach Lake in Black Hawk County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported.
Is George Wyth Beach Lake safe to swim in?
- Based on E. coli testing, George Wyth Beach Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 19.4% of 98 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 George Wyth 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.
Are there boat ramps on George Wyth Beach Lake?
- George Wyth Beach Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include George Wyth State Park. Public access is listed as yes.
Are there campgrounds on George Wyth Beach Lake?
- George Wyth Beach Lake has 1 public campground from USGS The National Map within 5 km, including George Wyth State Park-Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
38 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_WQX38 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
Public campgrounds from USGS The National Map Structures, within about 3 miles