Homer Lake
Homer Lake in Lassen County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 5 µg/L.
Why Homer Lake has no grade
We grade a lake only when its monitoring record clears the evidence bar: 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 Homer Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
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.
Homer Lake is a lake in Lassen County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-09-30. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Homer Lake
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data. Phosphorus level: 5 µg/L. Trophic State Index: 27.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 5 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 27 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Homer Lake
Compare lakeside cabins, hotels, and vacation rentals near Homer Lake in Lassen 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 Homer Lake
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Fishing Homer Lake
Graded lakes near Homer Lake
Homer Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Lassen County
Frequently asked questions about Homer Lake
Where is Homer Lake?
- Homer Lake is a lake in Lassen County, California. LakeQuality has not rated this lake (UNRATED) — there is not enough recent sampling to assign a letter.
What is the water quality grade for Homer Lake?
- Homer Lake in Lassen County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 5 µg/L.
Is Homer Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Homer Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Homer Lake across LakeGrade
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Other Lakes in California
Oligotrophic Lakes in California
Where this data comes from
1 measurement from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- California State Water Resources Control Board
CEDEN1 sample · 2020
Analytical methods
- EPA 365.3
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.