Silverbell Lake
Pima County, ArizonaView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Limited data
Silverbell Lake in Pima County, Arizona is not rated for water quality — its monitoring record does not meet the evidence bar.
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Stays near Silverbell Lake
Compare lakeside cabins, hotels, and vacation rentals near Silverbell Lake in Pima County, Arizona — 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 Silverbell Lake
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Watch Silverbell Lake’s letter
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Why Silverbell Lake 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 Silverbell Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
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 ADEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Silverbell Lake is a lake in Pima County, Arizona.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2026-04-02. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Silverbell Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Fishing Silverbell Lake
Graded lakes near Silverbell Lake
Silverbell Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Pima County
Frequently asked questions about Silverbell Lake
Where is Silverbell Lake?
- Silverbell Lake is a lake in Pima County, Arizona. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Silverbell Lake?
- Silverbell Lake in Pima County, Arizona is not rated for water quality — its monitoring record does not meet the evidence bar.
Is Silverbell Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Silverbell Lake across LakeQuality
2 thermal springs within 19.3 mi, nearest Agua Caliente
Species activity outlook by water temperature and season
Where to stay at Arizona's top lakes, each with its grade
Arizona's cleanest and most-polluted lakes, ranked
Planning a trip around Saguaro?
Silverbell Lake is about 17 miles from Saguaro National Park. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Saguaro →More Arizona Lake Rankings
Other Lakes in Arizona
Where this data comes from
3 measurements from 1 monitoring station, 2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Great Lakes Environmental Center
GLEC3 samples · 2026
Analytical methods
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 300.0 ~ EPA; Determination of Inorganic Anions by Ion Chromatography
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.