Racetrack Hollow @ Hwy. D Lake
Camden County, MissouriView mapDirections
This is the name Missouri DNR records for this water. It can describe one sampling location rather than the water as a whole.
Missouri DNR publishes the water-quality measurements for Racetrack Hollow @ Hwy. D Lake. Here is what has been measured.
- Limited data
Racetrack Hollow @ Hwy. D Lake in Camden County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Phosphorus: 750 µg/L. Chlorophyll-a (algae): 2.1 µg/L.
Racetrack Hollow @ Hwy. D Lake is a lake in Camden County, Missouri.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2022-07-13. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Racetrack Hollow @ Hwy. D 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 Racetrack Hollow @ Hwy. D Lake
These are the measurements Missouri DNR publishes for Racetrack Hollow @ Hwy. D 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. Phosphorus 750 µg/L. Chlorophyll-a 2.1 µg/L. TSI 69.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 750µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 2.1µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 69 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Racetrack Hollow @ Hwy. D Lake
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Fishing Racetrack Hollow @ Hwy. D Lake
Regulated Pollution Sources Nearby
13 EPA-permitted facilities operate within about 5 miles of Racetrack Hollow @ Hwy. D Lake under Clean Water Act (NPDES) discharge permits. 8 facilities have a reported Clean Water Act violation in the past three years.
- Camdenton WwtpCamdenton · 0.5 mi away · NPDES MO0106399Recent violation
- J Bar H Estates WwtfCamdenton · 2.3 mi away · NPDES MO0117552Recent violation
- Green Acres Mhp WwtpCamdenton · 2.3 mi away · NPDES MO0130508Recent violation
- Oak View Apartments WwtpCamdenton · 2.6 mi away · NPDES MO0112968Recent violation
- Seven Trails Subdivision WwtfCamdenton · 3.9 mi away · NPDES MO0121142Recent violation
- ItweaeCamdenton · 4.4 mi away · NPDES MO0114855Recent 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 Camden County
Frequently asked questions about Racetrack Hollow @ Hwy. D Lake
Where is Racetrack Hollow @ Hwy. D Lake?
- Racetrack Hollow @ Hwy. D Lake is in Camden County, Missouri. This is the name Missouri DNR records for this water. It can describe one sampling location rather than the water as a whole. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Racetrack Hollow @ Hwy. D Lake?
- Racetrack Hollow @ Hwy. D Lake in Camden County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Phosphorus: 750 µg/L. Chlorophyll-a (algae): 2.1 µg/L.
Is Racetrack Hollow @ Hwy. D Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
4 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Missouri Dept. of Natural Resources
MDNR4 samples · 2022
Analytical methods
- 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
Regulated discharger data from EPA ECHO (ICIS-NPDES)