智慧水务案例

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• Treatment plant optimization • Rainfall events • Seasonal turnover
• Long term watershed changes • Watershed urbanization • Climate change • New upstream discharge
Summary
• Early warning technologies played a huge role in preparing the City for an impending Tier 1 MCL Violation
• It allowed the City to be proactive and transparent
GWP Smartphone App Helpful As Another Communication Channel?
74%
Helpful
7% Not Helpful
Note: Base = all GWP Customers (D-3).
10% Depends
10% Not Sure
10
CASE STUDY: DRWP Water Monitoring
* “Online Source Water Monitoring” Guidance
Document (EPA, 2016)
12
Case Study: Dublin Road Water Plant – Columbus, OH
The Installations
• 4 s::can Remote Monitoring Stations deployed along 30 miles of the Scioto River
Yes, 82%
Recall GWP Water Conservation Messages
Online Interviews Yes = 87%
Telephone Interviews Yes = 75%
Not Sure, 6%
No, 10%
Note: Base = all GWP Customers (DR-1).
13
Case Study: Dublin Road Water Plant – Columbus, OH
The Perfect Storm
• Nitrogen is applied as a fertilizer to agricultural & residential land; bacteria in the soil convert N to NO3
• “The City of Columbus’ 2015 Nitrate Event” (Michele Gilkerson and Ben Ellsesser)
18
About SmartCover® Systems™
• San Diego Technology Company • Serving water industry with
Six In Ten Have Visited GWP Website Mostly To Perform A Transaction
• More than six in ten GWP residential customers report visiting their utility website in the past year, well above statewide 47% average
Few Follow GWP On Social Media
• One in twenty (5%) say they follow GWP on social media.
Do You Follow GWP On Social Media?
Follow GWP On Social Media Online Interviews Yes = 6%
Early Warning Event Detection Mitigates and Helps Manage Risk
Brendt Thompson s::can Measuring Systems
11
Source Water Monitoring
Why do we monitor?
• Early warning for detection of unusual anomalies • Elk River Spill • Railway spills • Other incidents
• “Event Detection Systems Challenge” (EPA, 2013a)
– https://www.epa.gov/sites/production/files/201507/documents/water_quality_event_detection_system_challenge_methodology_and_findings.pdf
• The primary reason for visiting was to perform a transaction (likely pay a bill), well above the 53% statewide average.
Visited Website In Past 12 Months
61% 60%
60%
47%
40%
40%
20%
20%
Primary Reason For Website Visit
62% Perform
Transact
53%
Obtain Info
39%
28%
源自文库
0% GWP 2014/15 CA Muni
0% GWP 2014/15
Muni 2014
B7 ase is all customers. (W-1) Not Sure, Refuse responses included but not part of “visitor” avg.
How Can We Boost Engagement and Recall?
• 82% recall seeing, hearing or reading water conservation messages and information from GWP.
Do You Recall GWP Water Conservation Messages and Information?
Telephone Interviews Yes = 4%
Yes, 5% Not Sure, 4%
No, 91%
8 Note: Base = all GWP Customers (D-1).
… but, Low Social Media Following Does Not Translate into Few Wanting Digital Contact
• Each Station monitoring NO3, TOC, DOC, NTU, UV254, UV436 via a single instrument the spectro::lyser
• Data is transmitted back to DRWP via 3G cellular communication
17
Source Water Monitoring
References
• “Online Source Water Monitoring” Guidance Document (EPA, 2016)
– https://www.epa.gov/sites/production/files/201609/documents/online_source_water_monitoring_guidance.pdf
• It is not surprising to learn that Smartphone Apps are the preferred mode of interaction among most service providers, and GWP is no different. • Three in four customers (74%) say a GWP Smartphone App would be very helpful with customer communications. Few (7%) would find the App not helpful in communicating with GWP.
smart technology • 12 years of operations • >3,000 installations, >135 million
operating hours • 14 Patents, Major Apps:
– SmartLevelTM - level monitoring – SmartFLOETM - flow monitoring – SmartRainTM – rain data – SmartTideTM – tidal data – SmartTrend® – trend analysis
• Highly leachable and moves readily through the soil
• NO3-N is not removed with current treatment at DRWP
• Maximum Contaminate Level = 10mg/L NO3-N
14
SmartCover Vision
Collection System Asset Management
CSO Monitoring
• If the City only relied on Regulatory Compliance Monitoring, the event would have been missed
• The WQAL was able to set up staff to manage the sampling and analysis
Case Study: Dublin Road Water Plant – Columbus, OH
The Event
15
Case Study: Dublin Road Water Plant – Columbus, OH
The Event (almost missed)
16
Case Study: Dublin Road Water Plant – Columbus, OH
• “Distribution System Water quality Monitoring Sensor Evaluation” (EPA, 2009)
– https://www.epa.gov/sites/production/files/201506/documents/distribution_system_water_quality_monitoring_sensor_technology_evaluation_met hodology_results.pdf
Should GWP Focus On Paper, Digital Or Both?
50%
24%
Paper
Note: Base = all GWP Customers (D-2).
Digital
20% Both
6% Not Sure
9
Smart Phone App Is Well Received
• Half of residential customers (50%)believe GWP should move away from paper communications and towards digital format.
• The findings clearly suggest that GWP should continue to rely on digital as a communication channel, but perhaps less on Social Media as a conduit.
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