North Haiwee Reservoir
North Haiwee Reservoir in Inyo County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 613 acres.
- Area
- 613 acres
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Why North Haiwee Reservoir has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For North Haiwee Reservoir, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by your state environmental agency and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
North Haiwee Reservoir is a 613-acre lake in Inyo County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled recent years. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for North Haiwee Reservoir
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near North Haiwee Reservoir
Compare lakeside cabins, hotels, and vacation rentals near North Haiwee Reservoir in Inyo County, California — 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.
Top-rated places to stay near North Haiwee Reservoir
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 613 acres |
No bathymetric survey has been published for North Haiwee Reservoir, so its depth is not documented here.
Fishing North Haiwee Reservoir
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Frequently asked questions about North Haiwee Reservoir
Where is North Haiwee Reservoir?
- North Haiwee Reservoir is a lake in Inyo County, California. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for North Haiwee Reservoir?
- North Haiwee Reservoir in Inyo County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 613 acres.
Is North Haiwee Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. North Haiwee Reservoir is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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Where this data comes from
Measurements for North Haiwee Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.