Mouth Peak Cr. Lake
Pulaski County, VirginiaView mapDirections
Virginia DEQ publishes the water-quality measurements for Mouth Peak Cr. Lake. Here is what has been measured.
- Mesotrophic
- Impaired · Oxygen depletion (low DO)
- Public access
Mouth Peak Cr. Lake in Pulaski County, Virginia has water-quality measurements published by Virginia DEQ, shown here as reported. Water clarity: 6.9 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 6.5 µg/L.
Mouth Peak Cr. Lake is a mesotrophic lake in Pulaski County, Virginia. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 9 other monitored lakes in Pulaski County, Mouth Peak Cr. Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, Virginia DEQ, last sampled 2026-07-07. Methodology: how these readings are compared.
What Mouth Peak Cr. Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyModerate algae
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. Mouth Peak Cr. Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for oxygen depletion (low DO), pCBs. Check local advisories before you swim.
Whether Mouth Peak Cr. Lake is safe to swim in today is a call for the Virginia Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Mouth Peak Cr. Lake
These are the measurements Virginia DEQ publishes for Mouth Peak Cr. Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 6.9 ft. Phosphorus 20 µg/L. Chlorophyll-a 6.5 µg/L. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 20µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 6.5µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Mouth Peak Cr. Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Harry DeHaven ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Mouth Peak Cr. Lake
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Fishing Mouth Peak Cr. Lake
Water Quality Trend: Improving
Based on 15 years of monitoring (2012–2026).
Water clarity
Stable15 years
Phosphorus
Improving-1.04 µg/L/yr15 years
Chlorophyll-a
Stable-0.03 µg/L/yr15 years
EPA Impairment Status
Mouth Peak Cr. Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit VAW-N17L_PKC01A10 · Official waterbody report
Nearby Lakes in Pulaski County
Frequently asked questions about Mouth Peak Cr. Lake
Where is Mouth Peak Cr. Lake?
- Mouth Peak Cr. Lake is a lake in Pulaski County, Virginia. Its water-quality measurements are published by Virginia DEQ and shown on this page as reported.
What is the water quality of Mouth Peak Cr. Lake?
- Mouth Peak Cr. Lake in Pulaski County, Virginia has water-quality measurements published by Virginia DEQ, shown here as reported. Water clarity: 6.9 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 6.5 µg/L.
Is Mouth Peak Cr. Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mouth Peak Cr. Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for oxygen depletion (low DO), pCBs. Check local advisories before you swim.
Are there boat ramps on Mouth Peak Cr. Lake?
- Mouth Peak Cr. Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Harry DeHaven Park. Public access is listed as yes.
Can I fish at Mouth Peak Cr. Lake?
- Mouth Peak Cr. 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 Virginia's fish and wildlife agency, so check its current regulations before you go.
Explore Mouth Peak Cr. Lake across LakeQuality
22.7 mi away · 69 ft
2 thermal springs within 16.9 mi, nearest Alum Springs
Species activity outlook by water temperature and season
Where to stay at Virginia's top lakes, each with its readings
Virginia's cleanest lakes, ranked on agency measurements
More lakes in Virginia
Other Lakes in Virginia
Mesotrophic Lakes in Virginia
Where this data comes from
633 measurements from 1 monitoring station, 2012–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY
21VASWCB633 samples · 2012–2026
Analytical methods
- Tyler, John. 1968. The secchi disk, Limnology and Oceanograpy, 13(1):1-6.
- Total Phosphorus After Block Digestion
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 446.0 ~ EPA; Chlorophylls and Pheopigments in Phytoplankton by Spectrophotometry
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