Hidden Lake
Downers Grove, Illinois, United States
Isolated body of water at Hidden Lake preserve, still water, watershed within preserve property
Location created by
Linda Heuser
- Lat: 41.8245871
- Lng: -88.0387688
- Waterbody Type: Lake
- Timezone: America/Chicago
Latest photos
Hidden Lake : Hidden Lake at Hidden Lake Forest Preserve
Observed on
2024-05-08
The quantab reading was lower than what is on the scale so the lowest chloride ppm value of 28 wa...
Hidden Lake : Hidden Lake at Hidden Lake Forest Preserve
Observed on
2024-04-19
The quantab reading was 0.2 which is below the scale for the ppm, so the lowest ppm was recorded.
Hidden Lake : Hidden Lake at Hidden Lake Forest Preserve
Observed on
2024-03-15
Quantab reading was 0.4, below the point at which the scale starts reading. The lowest PPM readi...
Hidden Lake : Hidden Lake at Hidden Lake Forest Preserve
Observed on
2024-02-24
The quantab reading at Hidden Lake was 0.4 which is below the readings on the chart. The lowest v...
Hidden Lake : Hidden Lake at Hidden Lake Forest Preserve
Observed on
2024-01-30
The actual quantab reading was 0.2. The scale does not go that low so a score of 30 was recorded.
Hidden Lake : Hidden Lake at Hidden Lake Forest Preserve
Observed on
2024-01-05
Actual Quantab reading was 0.4 which is below the scale, so lowest ppm value was recorded.
Hidden Lake : Hidden Lake at Hidden Lake Forest Preserve
Observed on
2023-12-08
The test strip did not react at all so the lowest ppm value was recorded.
Hidden Lake : Hidden Lake at Hidden Lake Forest Preserve
Observed on
2023-11-20
The Quantab units do not go down low enough (0.2) for an accurate chloride count. This site was t...