Perch Lake
Guadalupe County, New MexicoView mapDirections
NMED publishes the water-quality measurements for Perch Lake. Here is what has been measured.
- Limited data
Perch Lake in Guadalupe County, New Mexico has water-quality measurements published by NMED, shown here as reported. Water clarity: 14.8 ft visibility. Chlorophyll-a (algae): 12.8 µg/L.
Perch Lake is a lake in Guadalupe County, New Mexico.
Source: EPA Water Quality Portal sampling records, NMED, last sampled 2019-10-10. Methodology: how these readings are compared.
What Perch Lake is good for
From access and monitoring records, not editorial picks.
- Clear water14.8 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Perch Lake is safe to swim in today is a call for the New Mexico Environment Department and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Perch Lake
These are the measurements NMED publishes for Perch Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 14.8 ft. Chlorophyll-a 12.8 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 14.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 12.8µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Fishing Perch Lake
Nearby Lakes in Guadalupe County
Frequently asked questions about Perch Lake
Where is Perch Lake?
- Perch Lake is a lake in Guadalupe County, New Mexico. Its water-quality measurements are published by NMED and shown on this page as reported.
What is the water quality of Perch Lake?
- Perch Lake in Guadalupe County, New Mexico has water-quality measurements published by NMED, shown here as reported. Water clarity: 14.8 ft visibility. Chlorophyll-a (algae): 12.8 µg/L.
Is Perch Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
4 measurements from 1 monitoring station, 2019. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- NM Environmental Dept./SWQB
21NMEX_WQX4 samples · 2019
Analytical methods
- 10200 H 2 ~ Chlorophyll a-b-c Determination by spectrophotometer
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.