Illipah Reservoir
White Pine County, Nevada70 acresView mapDirections
Clarity, phosphorus, and algae sit in the clean band for this region.
- Mesotrophic
- Impaired · Metals (other than mercury)
- #2 of 2 in the county
- Public access
Illipah Reservoir in White Pine County, Nevada has a water quality grade of B (Good). Phosphorus: 30 µg/L. Chlorophyll-a (algae): 2.1 µg/L. Surface area: 70 acres.
- Area
- 70 acres
- Type
- Mesotrophic
- Phosphorus
- 30 µg/L
- Chlorophyll-a
- 2.1 µg/L
- Trend
- ↑ Improving
- Public access
- Yes
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Watch Illipah Reservoir’s letter
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Illipah Reservoir is a 70-acre mesotrophic lake in White Pine County, Nevada. Water quality is graded B based on 1 sampling years through 2024. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 1 other monitored lakes in White Pine County, Illipah Reservoir ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, NDEP, last sampled 2024-09-17. Grade methodology: LakeQuality methodology.
What Illipah Reservoir is good for
From access and monitoring records, not editorial picks.
- Camping1 public campground nearby
Swimming Safety
Grade onlyLow algae
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 B is nutrients and algae, not a swimming clearance. Illipah Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury). Check local advisories before you swim.
Water Quality Grade: B (Good)
No clarity data. Phosphorus 30 µg/L. Chlorophyll-a 2.1 µg/L. TSI 46. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 30 µg/L | Good |
| Chlorophyll-a (Algae) | 2.1 µg/L | Not graded |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 70 acres |
| Public Access | Yes |
No bathymetric survey has been published for Illipah Reservoir, so its depth is not documented here.
Recreation & Access
Public campgrounds near Illipah Reservoir
- Illipah Reservoir Recreation Site0.2 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 Illipah Reservoir
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↑ Improving | -20 µg/L/yr | 2 |
Reservoir Info (USACE NID)
Illipah Reservoir is a man-made reservoir impounded by the Illipah Pond Dam (completed 1981), built primarily for irrigation on the Illipah Creek; earth-type dam, 60 ft tall and 365 ft long.
- Surface area
- 70 ac
- Normal storage
- 1,000 ac-ft
- Max storage
- 1,080 ac-ft
- Drainage area
- 39.5 sq mi
- Hazard class
- High
- Owner
- NEVADA DEPARTMENT OF WILDLIFE
All listed purposes: Irrigation;Fire Protection, Stock, Or Small Fish Pond;Recreation.
Source: USACE National Inventory of Dams, NID ID NV00105 · Operator website
EPA Impairment Status
Illipah Reservoir 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 NV10-CE-57_00 · Official waterbody report · Matched by proximity (0.67 km)
County Ranking
Ranked #2 of 2 lakes in White Pine County
Nearby Lakes in White Pine County
Frequently asked questions about Illipah Reservoir
Where is Illipah Reservoir?
- Illipah Reservoir is a lake in White Pine County, Nevada. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Illipah Reservoir?
- Illipah Reservoir in White Pine County, Nevada has a water quality grade of B (Good). Phosphorus: 30 µg/L. Chlorophyll-a (algae): 2.1 µg/L. Surface area: 70 acres.
Is Illipah Reservoir safe to swim in?
- The B is nutrients and algae, not a swimming clearance. Illipah Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury). Check local advisories before you swim.
Are there campgrounds on Illipah Reservoir?
- Illipah Reservoir has 1 public campground from USGS The National Map within 5 km, including Illipah Reservoir Recreation Site. 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 Illipah Reservoir across LakeQuality
More Nevada Lake Rankings
Mesotrophic Lakes in Nevada
Where this data comes from
20 measurements from 4 monitoring stations, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Nevada Division of Environmental Protection
21NEV1_WQX20 samples · 2023–2024
Analytical methods
- Phosphorus by Two Reagent Colorimetry
- 2130 B ~ Nephelometric Method
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (4)
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