Jamesport Community Lake
Daviess County, Missouri30 acresView mapDirections
Missouri DNR publishes the water-quality measurements for Jamesport Community Lake. Here is what has been measured.
- Hypereutrophic
- Impaired · Algal growth
- Public access
- Limited data
Jamesport Community Lake in Daviess County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 0.9 ft visibility. Phosphorus: 160.3 µg/L. Chlorophyll-a (algae): 111.4 µg/L. Surface area: 30 acres.
Jamesport Community Lake is a 30-acre highly nutrient-loaded hypereutrophic lake in Daviess County, Missouri. Overall water quality is improving 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, Missouri DNR, last sampled 2024-06-10. Methodology: how these readings are compared.
Jamesport Community Lake covers about 30 acres in Daviess County. It has one public boat landing. If you are planning to stay, you can search lake houses and cabins around Jamesport Community Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Jamesport Community Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Jamesport Community Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.
Whether Jamesport Community Lake is safe to swim in today is a call for the Missouri Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Jamesport Community Lake
These are the measurements Missouri DNR publishes for Jamesport Community Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 0.9 ft of visibility. Phosphorus 160.3 µg/L. Chlorophyll-a 111.4 µg/L. TSI 78.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 160µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 111µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 78 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Jamesport Community Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Jamesport Community Lake typically sits around 84°F at the surface in July. Summer average is about 83°F. Usually warmest in Jul (about 84°F) and coldest in May (about 70°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (70°F) to its warmest (84°F).
Typical surface water temperature by month, from 17 field readings (2010–2024) via the EPA Water Quality Portal. See the full Jamesport Community Lake water temperature breakdown →
Lake Details
Surface area
30 acres
Public access
Yes
Listed by Missouri DNR
No bathymetric survey has been published for Jamesport Community Lake, so its depth is not documented here.
Recreation & Access
- Jamesport Community LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Jamesport Community Lake
Compare lakeside cabins, hotels, and vacation rentals near Jamesport Community Lake in Daviess County, Missouri — 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Jamesport Community Lake are listed below.
Top-rated places to stay near Jamesport Community Lake
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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 whole trip? See where to stay at Missouri’s top lakes →
Follow Jamesport Community Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Jamesport Community Lake
Water quality readings over time
2 seasons of samples on record (2023–2024). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Improving-33.8 µg/L/yr2 years
Chlorophyll-a
Improving-33.4 µg/L/yr2 years
Reservoir Info (USACE NID)
Jamesport Community Lake is a man-made reservoir impounded by the Jamesport Lake Dam (completed 1956), built primarily for recreation on the TR-EAST BRUSHY CREEK; earth-type dam, 21 ft tall.
- Surface area
- 30 ac
- Normal storage
- 160 ac-ft
- Max storage
- 337 ac-ft
- Drainage area
- 275 sq mi
- Hazard class
- Low
- Owner
- MO DEPT OF CONSERVATION
Source: USACE National Inventory of Dams, NID ID MO10663 · Operator website · Matched by proximity (0.05 km)
EPA Impairment Status
Jamesport Community Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit MO_7105.00 · Official waterbody report
Nearby Lakes in Daviess County
Frequently asked questions about Jamesport Community Lake
Where is Jamesport Community Lake?
- Jamesport Community Lake is a lake in Daviess County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Jamesport Community Lake?
- Jamesport Community Lake in Daviess County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 0.9 ft visibility. Phosphorus: 160.3 µg/L. Chlorophyll-a (algae): 111.4 µg/L. Surface area: 30 acres.
Is Jamesport Community Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Jamesport Community Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.
What is the water temperature of Jamesport Community Lake?
- Jamesport Community Lake typically sits around 84°F at the surface in July, from 17 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
Are there boat ramps on Jamesport Community Lake?
- Jamesport Community Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Jamesport Community Lake. Public access is listed as yes.
Can I fish at Jamesport Community Lake?
- Jamesport Community Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Missouri's fish and wildlife agency, so check its current regulations before you go.
Explore Jamesport Community Lake across LakeQuality
More lakes in Missouri
Other Lakes in Missouri
Hypereutrophic Lakes in Missouri
Where this data comes from
18 measurements from 1 monitoring station, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Univ. of Missouri, Columbia
UMC18 samples · 2023–2024
Analytical methods
- Depth, Secchi disk in meters
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
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