Jenny Newman Lake
Cass County, Nebraska4 acresView mapDirections
Nebraska DEE publishes the water-quality measurements for Jenny Newman Lake. Here is what has been measured.
- Eutrophic
- Limited data
Jenny Newman Lake in Cass County, Nebraska has water-quality measurements published by Nebraska DEE, shown here as reported. Water clarity: 5.4 ft visibility. Phosphorus: 72.1 µg/L. Chlorophyll-a (algae): 20.2 µg/L. Surface area: 3.99 acres.
Jenny Newman Lake is a 4-acre productive, nutrient-rich eutrophic lake in Cass County, Nebraska. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, NDEE, last sampled 2016-08-01. Methodology: how these readings are compared.
What Jenny Newman Lake is good for
From access and monitoring records, not editorial picks.
- Camping3 public campgrounds nearby
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Jenny Newman Lake is safe to swim in today is a call for the Nebraska Department of Environment and Energy and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Jenny Newman Lake
These are the measurements Nebraska DEE publishes for Jenny Newman Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 5.4 ft. Phosphorus 72.1 µg/L. Chlorophyll-a 20.2 µg/L. TSI 60.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 72.1µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 20.2µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 60 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Jenny Newman Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
4 acres
No bathymetric survey has been published for Jenny Newman Lake, so its depth is not documented here.
Recreation & Access
Public campgrounds near Jenny Newman Lake
- Platte River State Park Bison Lane RV Campground0.3 km
- A C Nelsen Campground 34.1 km
- A C Nelsen Campground 24.8 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Jenny Newman Lake
Compare lakeside cabins, hotels, and vacation rentals near Jenny Newman Lake in Cass County, Nebraska — 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Jenny Newman Lake are listed below.
Top-rated places to stay near Jenny Newman Lake
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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Fishing Jenny Newman Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2012–2016).
Water clarity
Worsening5 years
Chlorophyll-a
Worsening+9.57 µg/L/yr4 years
Reservoir Info (USACE NID)
Jenny Newman Lake is a man-made reservoir impounded by the Jenny Newman Dam (completed 1965), built primarily for recreation on the Tr-Platte River; earth-type dam, 31 ft tall and 310 ft long.
- Surface area
- 3.99 ac
- Normal storage
- 33.3 ac-ft
- Max storage
- 42 ac-ft
- Hazard class
- Low
- Owner
- Nebraska Game & Parks Commission
Source: USACE National Inventory of Dams, NID ID NE02774 · Operator website
Nearby Lakes in Cass County
Frequently asked questions about Jenny Newman Lake
Where is Jenny Newman Lake?
- Jenny Newman Lake is a lake in Cass County, Nebraska. Its water-quality measurements are published by Nebraska DEE and shown on this page as reported.
What is the water quality of Jenny Newman Lake?
- Jenny Newman Lake in Cass County, Nebraska has water-quality measurements published by Nebraska DEE, shown here as reported. Water clarity: 5.4 ft visibility. Phosphorus: 72.1 µg/L. Chlorophyll-a (algae): 20.2 µg/L. Surface area: 3.99 acres.
Is Jenny Newman Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Jenny Newman Lake?
- Jenny Newman Lake has 3 public campgrounds from USGS The National Map within 5 km, including Platte River State Park Bison Lane RV Campground, A C Nelsen Campground 3, A C Nelsen Campground 2. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
45 measurements from 1 monitoring station, 2012–2016. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Nebraska Department of Environment and Energy
21NEB001_WQX45 samples · 2012–2016
Analytical methods
- Total Phosphorus After Block Digestion
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 447.0 ~ EPA; Chlorophyll a and b in phytoplankton by HPLC/UV
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
Public campgrounds from USGS The National Map Structures, within about 3 miles