Stormwater drain south of 23rd St and west of Chesterfield - WAG-E-07 High Priority
North Vancouver, British Columbia, Canada
location of WAG-E-07 using zoom on web app. West of Chesterfield and south of 23rd St. a storm drain emerges and then joins the west branch of Wagg Creek from the east. Here a white plastic storm pipe of 0.21m inside diameter comes in from the east about 15m east of the creek. Low energy location. Field measured GPS coordinates in NAD83 are -123.0757406, 49.32946420 in Long and Lat, or UTM 494,497E, 5,464,085N . MISMATCH with CNVGIS mapping which has a 915 CONC Storm pipe here.
Location created by
Paul Lhotka
- Site ID: WAG-E-07
- Lat: 49.3293594
- Lng: -123.0755853
- Waterbody Type: Unknown
- Timezone: America/Vancouver
Latest photos
Bucket method used for flow.
Flow
Attempt 1: 13@3.57sec
Attempt 2: 13l@3.41sec
Attempt 3: 10l@2.19sec
Flow volume appeared to increase during sampling session.
Water clear <14 NTU
Turbidity is <14 NTU.
Chlorine is zero.
YSI readings attached in photo and data logged for 2 min in sonde.
Water flow 8L/5.6sec, 10L/6.7sec
Inclination of pipe - 13 degrees
Foam observed on water, high energy flow, water is brownish and cloudy.
Water clarity <14 NTU (unable to enter "<" symbol).
A few days in a row of mostly rain. Temporary clearing in the weather. Lots of water exiting the pipe. 100% visibility. Stormwater pool has grown in circumference – seems to have doubled in size from two years ago, so it is being scoured.
steady trickle of water. Water appears clear. Black squirrel, sighted and a couple of pieces of litter. Summer drought.
slight smell of chemicals. Cloudy cool day after a week of high to mid-high temps. No rain for past 10 days. new wetland plants establishing nicely, lots of invasive ground cover, all are providing shade and some water interception.
Water exiting storm pipe. Greyish silt coating bottom of pool. Conductivity metre reads 7°C water temperature.
Hi turbidity reported by resident just before 12 PM.