Jenny Newman Lake
Cass County, Nebraska4 acresView mapDirections
Nutrients and algae run above the regional average.
- Eutrophic
- Impaired · Algal growth
- #1 of 1 in the county
- Limited data
Jenny Newman Lake in Cass County, Nebraska has a water quality grade of D (Nutrient-rich). Water clarity: 5.4 ft visibility. Phosphorus: 72.1 µg/L. Chlorophyll-a (algae): 20.2 µg/L. Surface area: 3.99 acres.
- Clarity
- 5.4 ft
- Area
- 4 acres
- Type
- Eutrophic
- Phosphorus
- 72.1 µg/L
- Chlorophyll-a
- 20.2 µg/L
- Trend
- ↓ Declining
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 grade measures nutrients and algae, not lodging — cabins and rentals around Jenny Newman Lake are listed below.
Top-rated places to stay near Jenny Newman Lake
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Watch Jenny Newman Lake’s letter
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Jenny Newman Lake is a 4-acre productive, nutrient-rich eutrophic lake in Cass County, Nebraska. Water quality is graded D based on 1 sampling years through 2016. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, NDEE, last sampled 2016-08-01. Grade methodology: LakeQuality methodology.
What Jenny Newman Lake is good for
From access and monitoring records, not editorial picks.
- Camping3 public campgrounds nearby
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The D is nutrients and algae, not a swimming clearance. Jenny Newman Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Water Quality Grade: D (Nutrient-rich)
Murky, only visible to about 5.4 ft. Phosphorus 72.1 µg/L. Chlorophyll-a 20.2 µg/L. TSI 60. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.4 ft | Not graded |
| Phosphorus | 72.1 µg/L | Not graded |
| Chlorophyll-a (Algae) | 20.2 µg/L | Poor |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| 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
Fishing Jenny Newman Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -10.95 m/yr | 5 |
| Chlorophyll-a | ↓ Declining | +9.57 µg/L/yr | 4 |
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
EPA Impairment Status
Jenny Newman 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 NE-LP1-L0060 · Official waterbody report · Matched by proximity (0.09 km)
County Ranking
Ranked #1 of 1 lakes in Cass County
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. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Jenny Newman Lake?
- Jenny Newman Lake in Cass County, Nebraska has a water quality grade of D (Nutrient-rich). 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?
- The D is nutrients and algae, not a swimming clearance. Jenny Newman Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen). 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.
Explore Jenny Newman Lake across LakeQuality
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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)
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
Public campgrounds from USGS The National Map Structures, within about 3 miles