Longview Lake by Dam
Jackson County, WisconsinEutrophic
Longview Lake by Dam is a 930-acre productive, nutrient-rich eutrophic lake in Jackson County, MO. Water quality is graded C based on 3 sampling years through 2024. Compared to the 26 other monitored lakes in Jackson County, Longview Lake by Dam ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-18. Grade methodology: LakeGrade methodology.
Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Very murky, less than 3.3 ft of visibility. Phosphorus level: 23.5 µg/L. Chlorophyll-a: 15.7 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.3 ft | F |
| Phosphorus | 23.5 µg/L | B |
| Chlorophyll-a (Algae) | 15.7 µg/L | C |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 930 acres |
Location
County Ranking
Ranked #4 of 27 lakes in Jackson County
Nearby Lakes in Jackson County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Warren County · Clarity: 3.8 ft
Ralls County · Clarity: 3.7 ft
Warren County · Clarity: 3.3 ft
Platte County · Clarity: 4.7 ft
Barry County · Clarity: 5 ft
Phelps County · Clarity: 4.9 ft
Eutrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Longview Lake by Dam is a man-made reservoir impounded by the Longview Dam (completed 1985), built primarily for flood risk reduction on the LITTLE BLUE RIVER; earth-type dam, 125 ft tall and 1,900 ft long.
- Surface area
- 930 ac
- Normal storage
- 22,100 ac-ft
- Max storage
- 46,900 ac-ft
- Drainage area
- 50 sq mi
- Hazard class
- High
- Owner
- USACE - Kansas City District
All listed purposes: Flood Risk Reduction;Other;Fish and Wildlife Pond;Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID MO82202 · Operator website · Matched by proximity (0.34 km)
EPA Impairment Status
Longview Lake by 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_7097.00 · Official waterbody report · Matched by proximity (2 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-18
Monitoring stations: 1