Crow Pond
Callaway County, MissouriView mapDirections
Clarity, phosphorus, and algae sit in the clean band for this region.
↑ up from C at the last regrade
- Eutrophic
- #1 of 2 in the county
Crow Pond in Callaway County, Missouri has a water quality grade of B (Good). Water clarity: 4.1 ft visibility. Phosphorus: 36.6 µg/L. Chlorophyll-a (algae): 9.6 µg/L.
- Clarity
- 4.1 ft
- Typical in August
- 81°F
- Type
- Eutrophic
- Phosphorus
- 36.6 µg/L
- Chlorophyll-a
- 9.6 µg/L
- Trend
- ↓ Declining
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Stays near Crow Pond
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Watch Crow Pond’s letter
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Crow Pond is a productive, nutrient-rich eutrophic lake in Callaway County, Missouri. Water quality is graded B based on 2 sampling years through 2024. Overall water quality is declining over recent sampling years. Compared to the 1 other monitored lakes in Callaway County, Crow Pond ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-08-12. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyLow algae
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: B (Good)
Murky, only visible to about 4.1 ft. Phosphorus 36.6 µg/L. Chlorophyll-a 9.6 µg/L. TSI 55. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.1 ft | Not graded |
| Phosphorus | 36.6 µg/L | Good |
| Chlorophyll-a (Algae) | 9.6 µg/L | Good |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Water Temperature
Crow Pond typically sits around 81°F at the surface in August. Summer average is about 83°F. Usually warmest in Jul (about 84°F) and coldest in Aug (about 81°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 13 field readings (2022–2024) via the EPA Water Quality Portal. See the full Crow Pond water temperature breakdown →
Fishing Crow Pond
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.12 m/yr | 2 |
| Phosphorus | ↓ Declining | +4.8 µg/L/yr | 3 |
| Chlorophyll-a | ↓ Declining | +3.5 µg/L/yr | 3 |
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Crow Pond under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Williamsburg Elementary School WwtfWilliamsburg · 2.2 mi away · NPDES MO0092801Recent violation
- Moc-1 Travel PlazaWilliamsburg · 2.1 mi away · NPDES MO0111538
- Missouri Girls' Town Foundation, Inc.Kingdom City · 4.4 mi away · NPDES MO0100412
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.
County Ranking
Ranked #1 of 2 lakes in Callaway County
Nearby Lakes With Higher Grades
Crow Pond holds Grade B. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Callaway County
Frequently asked questions about Crow Pond
Where is Crow Pond?
- Crow Pond is a lake in Callaway County, Missouri. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Crow Pond?
- Crow Pond in Callaway County, Missouri has a water quality grade of B (Good). Water clarity: 4.1 ft visibility. Phosphorus: 36.6 µg/L. Chlorophyll-a (algae): 9.6 µg/L.
Is Crow Pond safe to swim in?
- The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Crow Pond?
- Crow Pond typically sits around 81°F at the surface in August, from 13 EPA Water Quality Portal field readings (2022–2024). That is a typical value for the month, not a live reading.
Explore Crow Pond across LakeQuality
More Missouri Lake Rankings
Other Grade B Lakes in Missouri
Eutrophic Lakes in Missouri
Where this data comes from
43 measurements from 1 monitoring station, 2022–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Univ. of Missouri, Columbia
UMC43 samples · 2022–2024
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)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)