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Size (acres) 79 Maximum Depth (feet) 46 Mean Depth (feet) 22 Lake Volume (acre-feet) 1738 Drainage Area (square miles) 0.38 Altitude (feet) 528 Shoreline Length (miles) 1.7
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 1996. ________________________________________________________________________________________________________________________
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 96/06/10 E 12 0.48 6.3 4 8 0.9 96/06/10 H 10 0.59 96/08/19 E 10 0.31 4.4 4 3J 0.6 96/08/19 H 19 0.40 ________________________________________________________________________________________________________________________ E=epilimnion composite, H=hypolimnion composite. Remarks codes: U = Below detection limits; J = Estimate.
SUMMARY OF VOLUNTEER SURVEY There was no survey response for 1996. FIELD OBSERVATIONS OF ECOLOGY STAFF The water was very tannin in color. Macrophytes were not numerous. Species identified include: Nuphar lutea and Spiraea douglasii. The shoreline was approximately 80% natural. There were lots of logs and snags in the water.
TROPHIC STATUS Estimated Trophic State: Mesotrophic Mean Trophic State Index (Secchi): 41N* (Oligo-mesotrophic) Mean Trophic State Index (Total Phosphorus): 38 (Oligo-mesotrophic) Mean Trophic State Index (Chlorophyll a): 47 (Mesotrophic) *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 Storm Lake is classified as mesotrophic.
Data collected and provided by Washington Department of Ecology's Lake Monitoring Program (Maggie Bell-McKinnon, phone 360- 407-6124).
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