Salem Pond
Utah County, UtahView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
↑ up from B at the last regrade
- Mesotrophic
- Impaired · Pathogens (E. coli, fecal)
- #2 of 19 in the county
- Limited data
Salem Pond in Utah County, Utah has a water quality grade of A (Excellent). Water clarity: 5.9 ft visibility. Phosphorus: 16.2 µg/L. Chlorophyll-a (algae): 3.9 µg/L.
- Clarity
- 5.9 ft
- Type
- Mesotrophic
- Phosphorus
- 16.2 µg/L
- Chlorophyll-a
- 3.9 µg/L
- Trend
- ↑ Improving
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Watch Salem Pond’s letter
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Salem Pond is a mesotrophic lake in Utah County, Utah. Water quality is graded A based on 2 sampling years through 2024. Overall water quality is improving over recent sampling years. Compared to the 18 other monitored lakes in Utah County, Salem Pond ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DWQ, last sampled 2024-09-06. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyBacteria advisory
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The A is nutrients and algae, not a swimming clearance. Salem Pond is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Murky, only visible to about 5.9 ft. Phosphorus 16.2 µg/L. Chlorophyll-a 3.9 µg/L. TSI 47. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.9 ft | Not graded |
| Phosphorus | 16.2 µg/L | Good |
| Chlorophyll-a (Algae) | 3.9 µg/L | Good |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Fishing Salem Pond
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.092 m/yr | 2 |
| Chlorophyll-a | → Stable | -0.01 µg/L/yr | 2 |
EPA Impairment Status
Salem Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit UT-L-16020202-001_00 · Official waterbody report
County Ranking
Ranked #2 of 19 lakes in Utah County
Nearby Lakes in Utah County
Frequently asked questions about Salem Pond
Where is Salem Pond?
- Salem Pond is a lake in Utah County, Utah. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Salem Pond?
- Salem Pond in Utah County, Utah has a water quality grade of A (Excellent). Water clarity: 5.9 ft visibility. Phosphorus: 16.2 µg/L. Chlorophyll-a (algae): 3.9 µg/L.
Is Salem Pond safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Salem Pond is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.
Explore Salem Pond across LakeQuality
4 thermal springs within 21.2 mi, nearest Castilla Springs
Species activity outlook by water temperature and season
Where to stay at Utah's top lakes, each with its grade
Moderate nutrients, good water quality
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Other Grade A Lakes in Utah
Mesotrophic Lakes in Utah
Where this data comes from
23 measurements from 1 monitoring station, 2012–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Utah Department Of Environmental Quality
UTAHDWQ_WQX23 samples · 2012–2024
Analytical methods
- Field Measurements
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
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