Lead and copper

MS0530025 , Wake Forest Water Assn

1–50 of 54 monitoring periods, newest first. This page applies no date range. The same list limited to the last two years.

Lead and copper 90th-percentile sample summaries for Wake Forest Water Assn, 1 to 50 of 54 summaries shown. The agency records no date of receipt for any of them.
Analyte	Monitoring period	Samples	90th percentile	Facility	Data quality
Copper	Jan 1, 2021 – Dec 31, 2023	10	0.105 mg/l	DS000	Accepted
Lead	Jan 1, 2021 – Dec 31, 2023	10	0.0034 mg/l	DS000	Accepted
Copper	Jan 1, 2018 – Dec 31, 2020	10	0.2015 mg/l	DS000	Accepted
Lead	Jan 1, 2018 – Dec 31, 2020	10	0.0028 mg/l	DS000	Accepted
Copper	Jan 1, 2017 – Dec 31, 2019	10	0.3442 mg/l	DS000	Accepted
Lead	Jan 1, 2017 – Dec 31, 2019	10	0.0035 mg/l	DS000	Accepted
Copper	Jan 1, 2016 – Dec 31, 2016	10	0.1442 mg/l	DS000	Accepted
Lead	Jan 1, 2016 – Dec 31, 2016	10	0.0111 mg/l	DS000	Accepted
Copper	Jan 1, 2015 – Dec 31, 2015	10	0.1218 mg/l	DS000	Accepted
Lead	Jan 1, 2015 – Dec 31, 2015	10	0.003 mg/l	DS000	Accepted
Copper	Jan 1, 2014 – Dec 31, 2014	10	0.1753 mg/l	DS000	Accepted
Lead	Jan 1, 2014 – Dec 31, 2014	10	0.0035 mg/l	DS000	Accepted
Copper	Jan 1, 2013 – Dec 31, 2013	10	0.13 mg/l	DS000	Accepted
Lead	Jan 1, 2013 – Dec 31, 2013	10	0.0009 mg/l	DS000	Accepted
Copper	Jul 1, 2012 – Dec 31, 2012	20	0.0465 mg/l	DS000	Accepted
Lead	Jul 1, 2012 – Dec 31, 2012	20	0.0031 mg/l	DS000	Accepted
Copper	Jan 1, 2012 – Jun 30, 2012	20	0.1558 mg/l	DS000	Accepted
Lead	Jan 1, 2012 – Jun 30, 2012	20	0.0011 mg/l	DS000	Accepted
Copper	Jul 1, 2011 – Dec 31, 2011	20	0.072 mg/l	DS000	Accepted
Lead	Jul 1, 2011 – Dec 31, 2011	20	0.0029 mg/l	DS000	Accepted
Copper	Jan 1, 2011 – Jun 30, 2011	20	0.0872 mg/l	DS000	Accepted
Lead	Jan 1, 2011 – Jun 30, 2011	20	0.0132 mg/l	DS000	Accepted
Copper	Jul 1, 2010 – Dec 31, 2010	20	0.0079 mg/l	DS000	Accepted
Lead	Jul 1, 2010 – Dec 31, 2010	20	0.0009 mg/l	DS000	Accepted
Copper	Jan 1, 2010 – Jun 30, 2010	19	0.0946 mg/l	DS000	Accepted
Lead	Jan 1, 2010 – Jun 30, 2010	19	0.0025 mg/l	DS000	Accepted
Copper	Jan 1, 2009 – Dec 31, 2011	10	0.0258 mg/l	DS000	Accepted
Lead	Jan 1, 2009 – Dec 31, 2011	10	0.0205 mg/l	DS000	Accepted
Copper	Jan 1, 2008 – Dec 31, 2008	10	0.0191 mg/l	DS000	Accepted
Lead	Jan 1, 2008 – Dec 31, 2008	10	0.0053 mg/l	DS000	Accepted
Copper	Jan 1, 2007 – Dec 31, 2007	10	0.0285 mg/l	DS000	Accepted
Lead	Jan 1, 2007 – Dec 31, 2007	10	0.0018 mg/l	DS000	Accepted
Copper	Jan 1, 2006 – Dec 31, 2006	10	0.0341 mg/l	DS000	Accepted
Lead	Jan 1, 2006 – Dec 31, 2006	10	0.0005 mg/l	DS000	Accepted
Copper	Jan 1, 2004 – Dec 31, 2004	10	0.023 mg/l	DS000	Accepted
Lead	Jan 1, 2004 – Dec 31, 2004	10	0.0044 mg/l	DS000	Accepted
Copper	Jan 1, 2003 – Jun 30, 2003	19	0.081 mg/l	DS000	Accepted
Lead	Jan 1, 2003 – Jun 30, 2003	19	0.003 mg/l	DS000	Accepted
Copper	Jul 1, 2002 – Dec 31, 2002	20	0.128 mg/l	DS000	Accepted
Lead	Jul 1, 2002 – Dec 31, 2002	20	0.001 mg/l	DS000	Accepted
Copper	Jan 1, 2000 – Dec 31, 2000	20	0.118 mg/l	DS000	Accepted
Lead	Jan 1, 2000 – Dec 31, 2000	20	0.003 mg/l	DS000	Accepted
Copper	Jan 1, 1999 – Dec 31, 1999	9	0.413 mg/l	DS000	Accepted
Lead	Jan 1, 1999 – Dec 31, 1999	9	0.016 mg/l	DS000	Accepted
Copper	Jul 1, 1996 – Dec 31, 1996	10	0.059 mg/l	DS000	Accepted
Lead	Jul 1, 1996 – Dec 31, 1996	10	0.004 mg/l	DS000	Accepted
Copper	Jan 1, 1996 – Jun 30, 1996	10	0 mg/l	DS000	Accepted
Lead	Jan 1, 1996 – Jun 30, 1996	10	0.001 mg/l	DS000	Accepted
Copper	Jan 1, 1995 – Dec 31, 1995	10	0.494 mg/l	DS000	Accepted
Lead	Jan 1, 1995 – Dec 31, 1995	10	0.016 mg/l	DS000	Accepted

No date of receipt is recorded for any of these summaries.

This system’s violations

What the 90th percentile is

The 90th percentile of all samples collected from the distribution system is the standard that the US Environmental Protection Agency has chosen for determining compliance with the Lead and Copper Action Level under the federal Lead and Copper Rule. The 90th percentile is determined by ranking all sample results from lowest to highest and finding a result that is 90% of the number of sample results from the top. For example, if there are 10 sample results, the 90th percentile would be the 9th sample result from the top.

From the help text published with these pages.