Silver Lake
Rockingham County, VirginiaView 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.
- Impaired · Pathogens (E. coli, fecal)
- Limited data
Silver Lake in Rockingham County, Virginia is not rated for water quality — its monitoring record does not meet the evidence bar.
- Trend
- ↓ Declining
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Stays near Silver Lake
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Watch Silver Lake’s letter
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Why Silver 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 Silver 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 Virginia DEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Silver Lake is a lake in Rockingham County, Virginia. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, Virginia DEQ, last sampled 2019-04-12. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedBacteria advisory
The letter is not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.
Water quality measurements for Silver 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 Silver Lake
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.2 m/yr | 2 |
| Phosphorus | ↓ Declining | +5 µg/L/yr | 2 |
| Chlorophyll-a | ↓ Declining | +8.1 µg/L/yr | 2 |
EPA Impairment Status
Silver Lake 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 VAV-B25L_00 · Official waterbody report
Graded lakes near Silver Lake
Silver Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Rockingham County
Frequently asked questions about Silver Lake
Where is Silver Lake?
- Silver Lake is a lake in Rockingham County, Virginia. 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 Silver Lake?
- Silver Lake in Rockingham County, Virginia is not rated for water quality — its monitoring record does not meet the evidence bar.
Is Silver Lake safe to swim in?
- The letter is not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.
Explore Silver Lake across LakeQuality
Planning a trip around Shenandoah?
Silver Lake is about 26 miles from Shenandoah 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 Shenandoah →More Virginia Lake Rankings
Other Lakes in Virginia
Where this data comes from
1 measurement from 1 monitoring station, 2019. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY
21VASWCB1 sample · 2019
Analytical methods
- Total Phosphorus After Block Digestion
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database