Marceline City Lake New Nr. Dam is a 177-acre productive, nutrient-rich eutrophic lake in Chariton County, Missouri. Water quality is graded C based on 3 sampling years through 2024. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 2 other monitored lakes in Chariton County, Marceline City Lake New Nr. Dam ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-10. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Murky, only visible to about 3.5 ft. Phosphorus level: 45.7 µg/L. Chlorophyll-a: 15.6 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.5 ft | D |
| Phosphorus | 45.7 µg/L | C |
| Chlorophyll-a (Algae) | 15.6 µg/L | C |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 177 acres |
| Public Access | Yes |
Where to stay near Marceline City Lake New Nr. Dam
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Fishing Marceline City Lake New Nr. Dam
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 | +3.2 µg/L/yr | 3 |
| Chlorophyll-a | ↓ Declining | +2.3 µg/L/yr | 3 |
Recreation & Access
Water Temperature
Marceline City Lake New Nr. Dam averages about 82°F at the surface in summer, usually warmest in Jul (about 84°F) and coldest in May (about 72°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 24 field readings (2010–2024) via the EPA Water Quality Portal. See the full Marceline City Lake New Nr. Dam water temperature breakdown →
Location
County Ranking
Ranked #2 of 3 lakes in Chariton County
Cleaner Lakes Within 30 Miles
Marceline City Lake New Nr. Dam holds Grade C. 3 nearby lakes hold higher grades.
- BLake Nehai TonkayeaChariton County · 7.5 mi · Higher grade (C → B)
- BBrookfield LakeLinn County · 9.4 mi · Higher grade (C → B)
- CJo Shelby LakeLinn County · 17.8 mi · Higher overall water quality score
Nearby Lakes in Chariton County
Explore Marceline City Lake New Nr. Dam across LakeGrade
More Missouri Lake Rankings
Other Grade C Lakes in Missouri
Eutrophic Lakes in Missouri
More records, surveys & data sources
Reservoir Info (USACE NID)
Marceline City Lake New Nr. Dam is a man-made reservoir impounded by the Marceline New Reservoir Dam (completed 1980), built primarily for water supply on the SLATER BRANCH; earth-type dam, 49 ft tall and 1,300 ft long.
- Surface area
- 177 ac
- Normal storage
- 2,708 ac-ft
- Max storage
- 3,100 ac-ft
- Drainage area
- 3.67 sq mi
- Hazard class
- High
- Owner
- CITY OF MARCELINE
All listed purposes: Water Supply;Recreation.
Source: USACE National Inventory of Dams, NID ID MO12127 · Operator website · Matched by proximity (0.19 km)
EPA Impairment Status
Marceline City Lake New Nr. Dam 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_7136.00 · Official waterbody report · Matched by proximity (0.77 km)
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2024-09-10
Monitoring stations: 2