Little Rock Reservoir
Little Rock Reservoir in Los Angeles County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 107 acres.
- Area
- 107 acres
- Public access
- Yes
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Why Little Rock 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 Little Rock 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.
Little Rock Reservoir is a 107-acre lake in Los Angeles County, California. Limited fish-species data available. Public access is available with 1 public boat landing.
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 Little Rock 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 Little Rock Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Little Rock Reservoir in Los Angeles 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 Little Rock Reservoir
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 107 acres |
| Public Access | Yes |
No bathymetric survey has been published for Little Rock Reservoir, so its depth is not documented here.
Recreation & Access
- Little Rock ReservoirPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Little Rock Reservoir
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Frequently asked questions about Little Rock Reservoir
Where is Little Rock Reservoir?
- Little Rock Reservoir is a lake in Los Angeles 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 Little Rock Reservoir?
- Little Rock Reservoir in Los Angeles County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 107 acres.
Is Little Rock Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Little Rock Reservoir is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Little Rock Reservoir?
- Little Rock Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Little Rock Reservoir. Public access is listed as yes.
Explore Little Rock Reservoir across LakeQuality
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Where this data comes from
Measurements for Little Rock Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory