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Lake McIntosh is located four miles east of Tenino. It has no surface inlets, and drains via an unnamed outlet to the Deschutes River.
Size (acres) 93 Maximum Depth (feet) 11 Mean Depth (feet) 8 Lake Volume (acre-feet) 744 Drainage Area (square miles) 2.26 Altitude (feet) 336 Shoreline Length (miles) 2.7
Source of morphometric data: Water Supply Bulletins 42, 43, and 57.
VOLUNTEER-COLLECTED SECCHI DATA ________________________________________________________________________________________________________________________ Date Temperature Water %Cloud Recent Secchi Lake (Y/M/D) (C) (F) pH Color Cover Rain Wind (ft) Ht(in) Abbrev. Comments ________________________________________________________________________________________________________________________ There are no Secchi data available for 1997. ________________________________________________________________________________________________________________________
LABORATORY RESULTS ________________________________________________________________________________________________________________________ Total Total Fecal Col. Bacteria Turb- Suspended Solids Phosphorus Nitrogen Chlorophyll (colonies/100 mL) idity Total Non-Volatile Color Date Strata (ug/L) (mg/L) (ug/L) Site 1 Site 2 (NTU) (mg/L) (mg/L) (Pt-Co) ________________________________________________________________________________________________________________________ STATION 1 97/05/19 E 23 0.34 ________________________________________________________________________________________________________________________ E=epilimnion composite, H=hypolimnion composite. Remarks codes: U = Below detection limits; J = Estimate.
SUMMARY OF VOLUNTEER SURVEY There was no survey response for 1997. FIELD OBSERVATIONS OF ECOLOGY STAFF There were no field observations recorded for MCINTOSH (THURSTON) in 1997
TROPHIC STATUS Estimated Trophic State: Not Available Mean Trophic State Index (Secchi): 0 (Not assessed) Mean Trophic State Index (Total Phosphorus): 50S* (Meso-eutrophic) Mean Trophic State Index (Chlorophyll a): 0 (Not assessed) *The calculated TSI is an estimate. The Secchi disk hit bottom (B), entered the weeds (W), or there were too few valid readings (N), or the calculation was based on qualified data (J), or TSIP was based on spring data (S).
SUMMARY AND EXPLANATION OF TROPHIC STATE ASSESSMENT No summary analysis was performed for MCINTOSH (THURSTON) in 1997
Data collected and provided by Washington Department of Ecology's Lake Monitoring Program (Maggie Bell-McKinnon, phone 360- 407-6124).
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Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.html.
