Mozingo Lake
Nodaway County, Missouri1,009 acresView mapDirections
Missouri DNR publishes the water-quality measurements for Mozingo Lake. Here is what has been measured.
- Impaired · Algal growth
- Limited data
Mozingo Lake in Nodaway County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Phosphorus: 120 µg/L. Surface area: 1009 acres.
Mozingo Lake is a 1,009-acre lake in Nodaway County, Missouri. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2022-10-12. Methodology: how these readings are compared.
Mozingo Lake covers about 1,000 acres in Nodaway County. For a place on the water, look through cabin and lake-house rentals near Mozingo Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Mozingo Lake is good for
From access and monitoring records, not editorial picks.
- Big water1,009 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Mozingo Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury. Check local advisories before you swim.
Whether Mozingo 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 Mozingo Lake
These are the measurements Missouri DNR publishes for Mozingo 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 120 µg/L. TSI 73.
| 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 | 120µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading 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. | 73 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Mozingo Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,009 acres
No bathymetric survey has been published for Mozingo Lake, so its depth is not documented here.
Stays via Stay22
Stays near Mozingo Lake
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Fishing Mozingo Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving4 years
Phosphorus
Improving-2.87 µg/L/yr5 years
Chlorophyll-a
Improving-5.88 µg/L/yr5 years
Reservoir Info (USACE NID)
Mozingo Lake is a man-made reservoir impounded by the Mozingo Creek Dam (completed 1992), built primarily for water supply on the MOZINGO CREEK; earth-type dam, 77 ft tall and 2,735 ft long.
- Surface area
- 1,009 ac
- Normal storage
- 1,275 ac-ft
- Max storage
- 1,275 ac-ft
- Drainage area
- 20.92 sq mi
- Hazard class
- High
- Owner
- CITY OF MARYVILLE
All listed purposes: Water Supply;Recreation;Flood Risk Reduction.
Source: USACE National Inventory of Dams, NID ID MO12277 · Operator website · Matched by proximity (0.27 km)
EPA Impairment Status
Mozingo Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Fish consumption.
Source: EPA ATTAINS assessment unit MO_7402.00 · Official waterbody report
Regulated Pollution Sources Nearby
4 EPA-permitted facilities operate within about 5 miles of Mozingo Lake under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 3 facilities have a reported Clean Water Act violation in the past three years.
- Maryville WwtpMaryville · 2.8 mi away · NPDES MO0033286MajorRecent violation
- Countryside View Subdivision WwtfMaryville · 0.8 mi away · NPDES MO0130826Recent violation
- Mdoc, Maryville Treatment Center WwtfMaryville · 2.8 mi away · NPDES MO0119369Recent violation
- Stoll Addition WwtfMaryville · 3.5 mi away · NPDES MO0133876
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 Nodaway County
Frequently asked questions about Mozingo Lake
Where is Mozingo Lake?
- Mozingo Lake is a lake in Nodaway County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Mozingo Lake?
- Mozingo Lake in Nodaway County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Phosphorus: 120 µg/L. Surface area: 1009 acres.
Is Mozingo Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mozingo Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury. Check local advisories before you swim.
Explore Mozingo Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
Species activity outlook by water temperature and season
Where to stay at Missouri's top lakes, each with its readings
Missouri's cleanest lakes, ranked on agency measurements
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Where this data comes from
4 measurements from 1 monitoring station, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Missouri Dept. of Natural Resources
MDNR4 samples · 2020–2022
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)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)