north carolina surface water analysis · 2018-04-04 · north carolina surface water analysis julia...
TRANSCRIPT
![Page 1: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/1.jpg)
Department of Environmental Quality
North Carolina Surface Water AnalysisJulia Cavalier, P.E.
Public Water Supply Section
![Page 2: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/2.jpg)
Department of Environmental Quality
Surface water reporting• Raw, settled CFE turbidity• Raw coliform• Alkalinity, pH• Chemicals fed• Daily plant flow
2
![Page 3: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/3.jpg)
Statewide surface water data
3
![Page 4: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/4.jpg)
Number of plants per basin
4
Basin name Number of plants
Catawba 20
Cape Fear 27
French Broad 13
Neuse 14
Yadkin 36
![Page 5: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/5.jpg)
2016 average raw water turbidity
5
254
![Page 6: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/6.jpg)
2016 annual average raw water turbidity
6
![Page 7: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/7.jpg)
2016 average coagulant dose
7
![Page 8: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/8.jpg)
Department of Environmental Quality
8
More about Cape Fear Basin Plants
![Page 9: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/9.jpg)
Department of Environmental Quality
Cape Fear BasinWater system Plant name Source description Coagulant category
Fayetteville PWC Hoffer Run of river Ferric
Fayetteville PWC Glenville Run of river Ferric
Dunn A B Uzzell Run of river Alum + poly
Harnett County Harnett County Reservoir Alum + poly
Bladen Bluffs Bladen Bluffs Run of river Alum + poly
Brunswick County Northwest Run of river PaCl + poly
Cape Fear PUA Sweeney Run of river Alum + poly
Pender County Pender County Run of river Ferric
9
![Page 10: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/10.jpg)
Cape Fear basin turbidity
10
![Page 11: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/11.jpg)
Cape Fear basin coagulant dose
11
![Page 12: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/12.jpg)
Feb 2016 Cape Fear Plants
![Page 13: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/13.jpg)
Feb 2016 Lower Cape Fear Intakes
![Page 14: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/14.jpg)
Coagulant dose
14
![Page 15: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/15.jpg)
Raw Water pH
15
![Page 16: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/16.jpg)
Raw water alkalinity
16
![Page 17: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/17.jpg)
Department of Environmental Quality
Further research• Inter and intra basin comparisons of turbidity trends• Relationship between coagulant dose and raw water alkalinity
and pH. Any differences between coagulant strategy?• Integrate TOC into data analysis
• TOC monthly, vs daily• Smaller scale analysis – a few plants
• Time series analysis
17
![Page 18: North Carolina Surface Water Analysis · 2018-04-04 · North Carolina Surface Water Analysis Julia Cavalier, P.E. Public Water Supply Section. Department of Environmental Quality](https://reader033.vdocuments.us/reader033/viewer/2022060305/5f094d2b7e708231d4262cd4/html5/thumbnails/18.jpg)
Department of Environmental Quality
Questions?• Julia Cavalier
• [email protected]• (919) 707-9067
18