Chaumiere Lake
Clay County, MissouriView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Impaired · Mercury
- Limited data
Chaumiere Lake in Clay County, Missouri is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.4 ft visibility. Phosphorus: 130 µg/L. Chlorophyll-a (algae): 86 µg/L.
- Clarity
- 1.4 ft
- Phosphorus
- 130 µg/L
- Chlorophyll-a
- 86 µg/L
- Trend
- ↑ Improving
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Watch Chaumiere Lake’s letter
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Why Chaumiere Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Chaumiere Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by Missouri DNR and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Chaumiere Lake is a lake in Clay County, Missouri. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2021-08-30. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Chaumiere Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Water quality measurements for Chaumiere Lake
These readings exist but are not enough for an A–F grade — see why.
Very murky, less than 1.4 ft of visibility. Phosphorus 130 µg/L. Chlorophyll-a 86 µg/L. TSI 74.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.4 ft | Not graded |
| Phosphorus | 130 µg/L | Not graded |
| Chlorophyll-a (Algae) | 86 µg/L | Not graded |
| Trophic State Index (TSI) | 74 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Fishing Chaumiere Lake
Water Quality Trend: ↑ Improving
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.08 m/yr | 2 |
| Phosphorus | ↓ Declining | +34.4 µg/L/yr | 4 |
| Chlorophyll-a | ↑ Improving | -1.54 µg/L/yr | 4 |
EPA Impairment Status
Chaumiere Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MO_7634.00 · Official waterbody report
Regulated Pollution Sources Nearby
7 EPA-permitted facilities operate within about 5 miles of Chaumiere Lake under Clean Water Act (NPDES) discharge permits.
- Smiths Interconnect Americas IncKansas City · 1 mi away · NPDES MONX00990
- Norfolk Southern Railway CompanyNorth Kansas City · 2 mi away · NPDES MO0004910
- Progress RailIndependence · 2.4 mi away · NPDES MONX00433
- Progress Rail WeldingKansas City · 2.4 mi away · NPDES MONX00066
- Inhance Technologies LlcKansas City · 2.8 mi away · NPDES MONX00635
- Martin LubricantsNorth Kansas City · 3 mi away · NPDES MO0126268
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.
Graded lakes near Chaumiere Lake
Chaumiere Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Clay County
Frequently asked questions about Chaumiere Lake
Where is Chaumiere Lake?
- Chaumiere Lake is a lake in Clay County, Missouri. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Chaumiere Lake?
- Chaumiere Lake in Clay County, Missouri is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.4 ft visibility. Phosphorus: 130 µg/L. Chlorophyll-a (algae): 86 µg/L.
Is Chaumiere Lake safe to swim in?
- The letter is not a swimming clearance. Chaumiere Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Explore Chaumiere Lake across LakeQuality
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Where this data comes from
6 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Missouri Dept. of Natural Resources
MDNR6 samples · 2020–2021
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)
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
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)