Frisco Lake
Phelps County, MissouriView mapDirections
No nutrient or algae sampling on record from Missouri DNR for this lake.
- Impaired · Mercury
- Limited data
Frisco Lake in Phelps County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported.
Frisco Lake is a lake in Phelps County, Missouri.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2023-05-11. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Frisco Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Frisco 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 Frisco Lake
These are the measurements Missouri DNR publishes for Frisco 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.
Ask about Frisco Lake
Answers come straight from the public measurements and survey records on this page.
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Stays near Frisco Lake
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Fishing Frisco Lake
EPA Impairment Status
Frisco 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: Fish consumption.
Source: EPA ATTAINS assessment unit MO_7280.00 · Official waterbody report
Regulated Pollution Sources Nearby
22 EPA-permitted facilities operate within about 5 miles of Frisco Lake under Clean Water Act (NPDES) discharge permits, including 3 classified by the EPA as major dischargers. 11 facilities have a reported Clean Water Act violation in the past three years.
- Rolla Vichy Road WwtpRolla · 1.5 mi away · NPDES MO0047031MajorRecent violation
- Rolla Se WwtpRolla · 2.8 mi away · NPDES MO0050652MajorRecent violation
- Rolla Southwest WwtpRolla · 3.9 mi away · NPDES MO0047023MajorRecent violation
- Pcpwsd No 2, Twitty Industrial Park WwtpRolla · 1.3 mi away · NPDES MO0129704Recent violation
- Pcpwsd No. 2 College Hills North WwtpRolla · 1.6 mi away · NPDES MO0126748Recent violation
- Oak Forest Subdivision WwtpRolla · 1.7 mi away · NPDES MO0113263Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Phelps County
Frequently asked questions about Frisco Lake
Where is Frisco Lake?
- Frisco Lake is a lake in Phelps County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Frisco Lake?
- Frisco Lake in Phelps County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported.
Is Frisco Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Frisco Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
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Where this data comes from
3 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Missouri Dept. of Natural Resources
MDNR3 samples · 2023
Analytical methods
- Depth, Secchi disk in meters
- Nitrogen and Phosphorus, Total, Whole-water, Alkaline Persulfate Digest
- 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
Regulated discharger data from EPA ECHO (ICIS-NPDES)