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
Turbidity <14
YSI measurements taken simultaneously
Water flow
1. 11 l in 1.53 sec
2. 11 l in 1.53 sec
3. 10 l in 1.34 sec
YSI measurements done simultaneously.
No foam observed.
Water had a grayish coloration.
YSI measurements taken simultaneously.
Water had brownish cast, small amount of foam in pool.
Flow taken with bucket method:
1. 10L @4.15 s
2. 10L @3.91 s
3. 9.5 L @3.8 s
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.