Wasserman Lake (DNR ID: 10-0048-00)
Sampling Location GPS Coordinates: Surface Area: 153 acres Max. Depth: 41 ft
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Wasserman Lake is located in the city of Victoria. Public lake access is available on the western side of the lake off of Church Lake Blvd (County Hwy 43). From Victoria take County Road 11 south to Hwy 43. Head west until the road curves south where the access point is located approximately a quarter mile past the curve to the east off a small dirt road.
Wasserman Lake is a dimictic class 2B lake protected for aquatic life and recreation. Water Quality monitoring began in 1997. It is currently listed as an impaired water body by the MPCA for mercury levels in fish tissues as well as for excess nutrients leading to eutrophication and biological impairment. MCWD staff have been monitoring the lake on a bi-weekly basis from the time of ice out (April) to the time of fall mixing (mid-October) since 2006.
Currently not available.
Monitoring season started in early May and ended in late October. A YSI multi-probe sonde was used to measure dissolved oxygen (DO), temperature (oC), pH, and specific conductivity (µS/cm) at each meter depth from the water surface to the bottom. Water samples were collected at one meter below the water surface and one meter from the bottom. Surface sample parameters analyzed included total phosphorus (TP), total nitrogen (TN), and soluble reactive phosphorus (SRP). Surface concentrations of chlorophyll-a were also analyzed and measurements of Secchi disc depth were recorded. Bottom samples were analyzed for TP and SRP.
| 2008 Summer Water Quality Summary |
| Parameters | Range | Mean | TSI Value | Lake Grade |
| Months | June - Sept. | May - Sept. | ||
| Secchi Depth (m) | 0.5 - 4.1 | 1.2 | 57 | C |
| Surface TP (µg/L) | 42 - 78 | 63.2 | 64 | C |
| Chlorophyll-a (µg/L) | 3 - 107 | 59.7 | 71 | D |
| Overall Score | 64 | C- |
The following summary refers to Figure 7.19 (a-d).
- Secchi disk depth was below the standard limit for most of the season. From late May to early June, secchi disk depth increased from 1.4 to 4.1 m. By late June, secchi disk depth decreased below 1.2 m.
- Chlorophyll-a concentrations decreased from 49 µg/L to 3 µg/L by early June, which was the only time throughout the season concentrations were below the standard (< 15 µg/L). The highest chlorophyll-a concentration occurred in the middle of July at 107 µg/L, while the remainder of the season, concentrations fluctuated between 27 µg/L to 79 µg/L.
- Surface TP concentrations were above the standard (< 40 µg/L) for the entire season with the highest concentration (130 µg/L) found in early October. Surface SRP concentrations remained below detection limits except in early June, late September and October. SRP concentrations ranged at the end of the season from 16 µg/L to 29 µg/L.
- Bottom TP and SRP concentrations gradually increased until early October. Both phosphorus concentrations peaked in late September (TP: 1570 µg/L; SRP: 571 µg/L) then declined throughout the end of the season.
Lake Grades and Historical Monitoring Summaries
When available, previous reports are linked to applicable year. Additional lake data previous to 2007 may be available in the applicable year's hydrodata report. If you have additional questions or you are looking for specific information please contact MCWD's Water Quality Staff.
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