Lead and copper

MS0670014 , MS State Penitentiary-MN Ln

Every monitoring period on record is listed here. This page applies no date range. The same list limited to the last two years.

Lead and copper 90th-percentile sample summaries for MS State Penitentiary-MN Ln, 50 summaries, every one on record. The agency records no date of receipt for any of them.
Analyte	Monitoring period	Samples	90th percentile	Facility	Data quality
Copper	Jan 1, 2025 – Dec 31, 2025	10	0.195 mg/l	DS000	Accepted
Lead	Jan 1, 2025 – Dec 31, 2025	10	0.0026 mg/l	DS000	Accepted
Copper	Jan 1, 2024 – Jun 30, 2024	20	0.24 mg/l	DS000	Accepted
Lead	Jan 1, 2024 – Jun 30, 2024	20	0.001 mg/l	DS000	Accepted
Copper	Jul 1, 2023 – Dec 31, 2023	20	0.27 mg/l	DS000	Accepted
Lead	Jul 1, 2023 – Dec 31, 2023	20	0.0019 mg/l	DS000	Accepted
Copper	Jan 1, 2022 – Dec 31, 2022	10	0.227 mg/l	DS000	Accepted
Lead	Jan 1, 2022 – Dec 31, 2022	10	0.0339 mg/l	DS000	Accepted
Copper	Jan 1, 2021 – Dec 31, 2021	10	0.264 mg/l	DS000	Accepted
Lead	Jan 1, 2021 – Dec 31, 2021	10	0.003 mg/l	DS000	Accepted
Copper	Jan 1, 2020 – Dec 31, 2020	10	0.1839 mg/l	DS000	Accepted
Lead	Jan 1, 2020 – Dec 31, 2020	10	0.0022 mg/l	DS000	Accepted
Copper	Jan 1, 2019 – Dec 31, 2019	10	0.8403 mg/l	DS000	Accepted
Lead	Jan 1, 2019 – Dec 31, 2019	10	0.0015 mg/l	DS000	Accepted
Copper	Jul 1, 2018 – Dec 31, 2018	20	0.2766 mg/l	DS000	Accepted
Lead	Jul 1, 2018 – Dec 31, 2018	20	0.0028 mg/l	DS000	Accepted
Copper	Jan 1, 2018 – Jun 30, 2018	20	0.5957 mg/l	DS000	Accepted
Lead	Jan 1, 2018 – Jun 30, 2018	20	0.0028 mg/l	DS000	Accepted
Copper	Jan 1, 2015 – Dec 31, 2017	11	0.2434 mg/l	DS000	Accepted
Lead	Jan 1, 2015 – Dec 31, 2017	11	0.0182 mg/l	DS000	Accepted
Copper	Jan 1, 2012 – Dec 31, 2014	20	0.4005 mg/l	DS000	Accepted
Lead	Jan 1, 2012 – Dec 31, 2014	20	0.0031 mg/l	DS000	Accepted
Copper	Jan 1, 2011 – Dec 31, 2011	20	0.0954 mg/l	DS000	Accepted
Lead	Jan 1, 2011 – Dec 31, 2011	20	0.0027 mg/l	DS000	Accepted
Copper	Jan 1, 2010 – Dec 31, 2010	21	0.114 mg/l	DS000	Accepted
Lead	Jan 1, 2010 – Dec 31, 2010	21	0.0018 mg/l	DS000	Accepted
Copper	Jan 1, 2009 – Jun 30, 2009	40	0.1799 mg/l	DS000	Accepted
Lead	Jan 1, 2009 – Jun 30, 2009	40	0.0014 mg/l	DS000	Accepted
Copper	Jul 1, 2008 – Dec 31, 2008	42	0.2034 mg/l	DS000	Accepted
Lead	Jul 1, 2008 – Dec 31, 2008	42	0.003 mg/l	DS000	Accepted
Copper	Jan 1, 2006 – Dec 31, 2006	20	0.5472 mg/l	DS000	Accepted
Lead	Jan 1, 2006 – Dec 31, 2006	20	0.0024 mg/l	DS000	Accepted
Copper	Jul 1, 2005 – Dec 31, 2005	44	0.2267 mg/l	DS000	Accepted
Lead	Jul 1, 2005 – Dec 31, 2005	44	0.0053 mg/l	DS000	Accepted
Copper	Jan 1, 2004 – Jun 30, 2004	40	0.3472 mg/l	DS000	Accepted
Lead	Jan 1, 2004 – Jun 30, 2004	40	0.0048 mg/l	DS000	Accepted
Copper	Jul 1, 2001 – Dec 31, 2001	19	0.279 mg/l	DS000	Accepted
Lead	Jul 1, 2001 – Dec 31, 2001	19	0.001 mg/l	DS000	Accepted
Copper	Jul 1, 1998 – Dec 31, 1998	19	0.275 mg/l	DS000	Accepted
Lead	Jul 1, 1998 – Dec 31, 1998	19	0.003 mg/l	DS000	Accepted
Copper	Jan 1, 1996 – Jun 30, 1996	21	0.322 mg/l	DS000	Accepted
Lead	Jan 1, 1996 – Jun 30, 1996	21	0.008 mg/l	DS000	Accepted
Copper	Jan 1, 1995 – Dec 31, 1995	20	0.385 mg/l	DS000	Accepted
Lead	Jan 1, 1995 – Dec 31, 1995	20	0.137 mg/l	DS000	Accepted
Copper	Jan 1, 1994 – Dec 31, 1994	20	0.28 mg/l	DS000	Accepted
Lead	Jan 1, 1994 – Dec 31, 1994	20	0.011 mg/l	DS000	Accepted
Copper	Jan 1, 1993 – Jun 30, 1993	40	0.539 mg/l	DS000	Accepted
Lead	Jan 1, 1993 – Jun 30, 1993	40	0.003 mg/l	DS000	Accepted
Copper	Jul 1, 1992 – Dec 31, 1992	82	0.13 mg/l	DS000	Accepted
Lead	Jul 1, 1992 – Dec 31, 1992	82	0.002 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.