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LakeQuality

Crow Pond

Callaway County, MissouriView mapDirections

B
Good

Clarity, phosphorus, and algae sit in the clean band for this region.

↑ up from C at the last regrade

Water temp
~81°F
Typical for Aug · EPA WQP
Clarity
4.1 ft
Secchi · sampled 2024
Level
No reading
No gauge
Trend
Declining
3 years of samples
  • 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 via Stay22

Stays near Crow Pond

Compare lakeside cabins, hotels, and vacation rentals near Crow Pond in Callaway 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.

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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 only

Low 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.

Compare the safest swimming lakes near St. Louis

Get alerts for Crow Pond

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.

MetricValueGrade
Water Clarity (Secchi Depth)4.1 ftNot graded
Phosphorus36.6 µg/LGood
Chlorophyll-a (Algae)9.6 µg/LGood
Trophic State Index (TSI)55Eutrophic

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.

Jan
Feb
Mar
Apr
May
Jun
83°
Jul
84°
Aug
81°
Sep
Oct
Nov
Dec

Typical surface water temperature by month, from 13 field readings (20222024) via the EPA Water Quality Portal. See the full Crow Pond water temperature breakdown →

Fishing Crow Pond

Based on 3 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.12 m/yr2
Phosphorus Declining+4.8 µg/L/yr3
Chlorophyll-a Declining+3.5 µg/L/yr3

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 Wwtf
    Williamsburg · 2.2 mi away · NPDES MO0092801
    Recent violation
  • Moc-1 Travel Plaza
    Williamsburg · 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.

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, ColumbiaUMC43 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)