PFAS Levels

PWC monitors our source waters and the treated drinking water leaving our two treatment plants. PWC does quarterly monitoring for PFAS. Our most current monitoring results for PFOA, PFOS and the four other PFAs with proposed drinking water standards show the following:

P.O. Hoffer Water Treatment Plant – PFOA

Date	Source Water (ppt)	Entry Point (ppt)	Entry Point (RAA)	EPA MCL (ppt)
Jan-21	2.65	3.10	5.87	4
Apr-21	4.64	4.91	5.30	4
Jul-21	5.37	4.41	4.27	4
Oct-21	4.26	6.97	4.85	4
Jan-22	4.46	NS	5.43	4
Apr-22	5.95	5.14	5.51	4
Jul-22	6.08	5.63	5.91	4
Oct-22	5.35	4.13	4.97	4
Jan-23	4.44	5.28	5.05	4
Mar-23	6.29	6.45	5.37	4
May-23	7.43	7.43	5.82	4
Jul-23	3.18	3.99	5.79	4
Oct-23	8.40	8.05	6.48	4
Jan-24	5.40	7.00	6.62	4

(ppt=parts per trillion MCL: Maximum Contaminant Level; RAA=running annual average)

P.O. Hoffer Water Treatment Plant – PFOS

Date	Source Water (ppt)	Entry Point (ppt)	Entry Point (RAA)	EPA MCL (ppt)
Jan-21	4.86	5.94	10.84	4
Apr-21	9.52	10.80	10.71	4
Jul-21	7.77	6.74	8.10	4
Oct-21	9.38	12.50	9.00	4
Jan-22	10.60	NS	10.01	4
Apr-22	9.27	9.14	9.46	4
Jul-22	11.30	11.80	11.15	4
Oct-22	8.42	6.79	9.24	4
Jan-23	9.23	9.04	9.19	4
Mar-23	9.11	14.00	10.41	4
May-23	13.50	13.60	10.86	4
Jul-23	7.06	8.38	11.26	4
Oct-23	13.20	11.90	11.97	4
Jan-24	10.90	11.20	11.27	4

(ppt=parts per trillion MCL: Maximum Contaminant Level; RAA=running annual average)

P.O. Hoffer Water Treatment Plant – Hazard Index

Date	Source Water	Entry Point	Entry Point (RAA)	EPA Health Index
Jan-21	0.18	0.26	0.52	<1
Apr-21	0.35	0.51	0.51	<1
Jul-21	0.38	0.35	0.41	<1
Oct-21	0.42	0.65	0.44	<1
Jan-22	0.55	NS	0.44	<1
Apr-22	0.35	0.51	0.50	<1
Jul-22	0.61	0.56	0.52	<1
Oct-22	0.48	0.48	0.55	<1
Jan-23	0.57	0.51	0.52	<1
Mar-23	0.44	0.74	0.57	<1
May-23	0.54	0.58	0.58	<1
Jul-23	0.38	0.57	0.60	<1
Oct-23	0.81	0.74	0.66	<1
Jan-24	0.55	0.43	0.58	<1

(RAA=running annual average)

P.O. Hoffer Water Treatment Plant – Entry Point

Date	Hazard Index	Hazard Index (RAA)	Proposed EPA Health Index
Jan-21	0.26	0.52	<1
Apr-21	0.51	0.51	<1
Jul-21	0.35	0..41	<1
Oct-21	0.65	0.44	<1
Jan-22	0.00	0.38	<1
Apr-22	0.51	0.38	<1
Jul-22	0.56	0.43	<1
Oct-22	0.48	0.39	<1
Jan-23	0.51	0.52	<1
Mar-23	0.74	0.57	<1
May-23	0.58	0.58	<1
Jul-23	0.57	0.60	<1
Oct-23	0.74	0.66	<1
Jan-24	0.41	0.58	<1

(RAA=running annual average)

Glenville Lake Water Treatment Plant – PFOA

Date	Source Water (ppt)	Entry Point (ppt)	Entry Point (RAA)	EPA MCL (ppt)
Jan-21	3.42	3.61	6.08	4
Apr-21	5.13	4.94	5.30	4
Jul-21	5.33	4.86	4.61	4
Oct-21	7.41	6.82	5.06	4
Jan-22	6.32	NS	5.54	4
Apr-22	6.32	4.86	5.51	4
Jul-22	8.44	5.65	5.78	4
Oct-22	5.55	5.25	5.25	4
Jan-23	6.70	5.73	5.37	4
Mar-23	5.07	5.96	5.65	4
May-23	7.10	2.77	4.93	4
Jul-23	5.16	5.07	4.88	4
Oct-23	5.81	6.29	5.02	4
Jan-24	4.69	6.30	5.11	4

(ppt=parts per trillion; RAA=running annual average; MCL: maximum contaminant level)

Glenville Lake Water Treatment Plant – PFOS

Date	Source Water (ppt)	Entry Point (ppt)	Entry Point (RAA)	EPA MCL (ppt)
Jan-21	14.40	14.10	24.23	4
Apr-21	22.90	20.60	22.00	4
Jul-21	34.40	13.60	17.30	4
Oct-21	26.90	27.70	19.00	4
Jan-22	27.00	NS	20.63	4
Apr-22	22.40	7.99	16.43	4
Jul-22	34.25	11.70	15.80	4
Oct-22	73.50	17.10	12.26	4
Jan-23	18.50	19.20	14.00	4
Mar-23	19.70	18.30	16.58	4
May-23	15.60	19.30	18.48	4
Jul-23	20.50	18.70	18.88	4
Oct-23	19.20	19.70	19.00	4
Jan-24	14.10	15.60	18.33	4

(ppt=parts per trillion; RAA=running annual average; MCL: maximum contaminant level)

Glenville Lake Water Treatment Plant – Hazard Index

Date	Source Water	Entry Point	Entry Point (RAA)	Proposed EPA Health Index
Jan-21	1.20	1.23	1.80	<1
Apr-21	1.67	1.74	1.70	<1
Jul-21	1.26	1.22	1.50	<1
Oct-21	2.72	2.73	1.73	<1
Jan-22	0.08	NS	1.73	<1
Apr-22	0.40	0.40	1.52	<1
Jul-22	0.58	0.52	1.22	<1
Oct-22	1.48	1.39	1.26	<1
Jan-23	2.22	2.21	1.13	<1
Mar-23	1.97	1.95	1.52	<1
May-23	1.15	1.74	1.82	<1
Jul-23	1.63	1.63	1.88	<1
Oct-23	1.94	1.95	1.82	<1
Jan-24	1.65	1.58	1.72	<1

(RAA=running annual average)

Glenville Lake Water Treatment Plant – Entry Point

Date	Hazard Index	Hazard Index (RAA)	Proposed EPA Health Index
Jan-21	1.23	1.80	<1
Apr-21	1.74	1.70	<1
Jul-21	1.22	1.50	<1
Oct-21	2.73	1.73	<1
Jan-22	0.00	1.42	<1
Apr-22	0.40	1.09	<1
Jul-22	0.52	0.91	<1
Oct-22	1.39	0.58	<1
Jan-23	2.21	1.13	<1
Mar-23	1.95	1.52	<1
May-23	1.74	1.82	<1
Jul-23	1.63	1.88	<1
Oct-23	1.95	1.82	<1
Jan-24	1.59	1.73	<1

(RAA=running annual average)

Water Resources

Water Quality

Annual Water Quality Reports

AWARDS & RECOGNITIONS

Partnership for Safe Water

24-Year Director’s Award

NC Waterworks Operators Association

A-Surface Operator of the Year: Gary Thompson (2021), David Faircloth (2020), David Robinson (2018)
C-Surface Operator of the Year: John Cummings (2023), DeQuante Moore (2021)
Outstanding Operator of the Year: Delmer Coffman (2023), Chris Smith (2018)
Educator of the Year: Jason Green (2023)
Lifetime Member Award: Delmer Coffman (2022), David Robinson (2021), Gary Thompson (2021), James Gibson (2018), Chris Smith (2017)
President’s Award: Chris Smith (2015)

NC Waterworks Operators Association – Southeast Section

Thomas C. Flowers Award for Outstanding Service: Delmer Coffman (2022), Jason Green (2021), Chris Smith (2008)

NC One Water

Golden Manhole Award: John Allen (2018)
Best Tasting Water Competition: 3rd Place – Glenville Lake & P.O. Hoffer Water Treatment Facilities (2018); 1st Place – Glenville Lake & P.O. Hoffer Water Treatment Facilities (2005)
Walter Courmon Safety Award: P.O. Hoffer & Glenville Lake Water Treatment Facilities (2015)

NC Department of Environmental Quality

Area Wide Optimization Program Award:
- P.O. Hoffer Water Treatment Facility:2022, 2021, 2020, 2019, 2018, 2013, 2012, 2011
- Glenville Lake Water Treatment Facility: 2022, 2021, 2017, 2016, 2015, 2013, 2012

Cape Fear River Assembly J.W. Pate Award: Chad Ham (2016), Steve Blanchard (2009), Tim Wood (1991), Ray Muench (1989)

PFAS Levels

Water Resources

Water Quality

Water Conservation