Lead and copper

MS0770002 , Clara Water Association

1–50 of 88 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 Clara Water Association, 1 to 50 of 88 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, 2026 – Jun 30, 2026	20	1.04 mg/l	DS000	Accepted
Lead	Jan 1, 2026 – Jun 30, 2026	20	0.0063 mg/l	DS000	Accepted
Copper	Jul 1, 2025 – Dec 31, 2025	20	1.59 mg/l	DS000	Accepted
Lead	Jul 1, 2025 – Dec 31, 2025	20	0.0055 mg/l	DS000	Accepted
Copper	Jan 1, 2025 – Jun 30, 2025	20	2.05 mg/l	DS000	Accepted
Lead	Jan 1, 2025 – Jun 30, 2025	20	0.0171 mg/l	DS000	Accepted
Copper	Jul 1, 2024 – Dec 31, 2024	20	1.51 mg/l	DS000	Accepted
Lead	Jul 1, 2024 – Dec 31, 2024	20	0.002 mg/l	DS000	Accepted
Copper	Jan 1, 2024 – Jun 30, 2024	20	1.62 mg/l	DS000	Accepted
Lead	Jan 1, 2024 – Jun 30, 2024	20	0.018 mg/l	DS000	Accepted
Copper	Jul 1, 2023 – Dec 31, 2023	20	1.49 mg/l	DS000	Accepted
Lead	Jul 1, 2023 – Dec 31, 2023	20	0.0041 mg/l	DS000	Accepted
Copper	Jan 1, 2023 – Jun 30, 2023	20	1.57 mg/l	DS000	Accepted
Lead	Jan 1, 2023 – Jun 30, 2023	20	0.0067 mg/l	DS000	Accepted
Copper	Jul 1, 2022 – Dec 31, 2022	20	2.07 mg/l	DS000	Accepted
Lead	Jul 1, 2022 – Dec 31, 2022	20	0.0108 mg/l	DS000	Accepted
Copper	Jan 1, 2022 – Jun 30, 2022	21	1.84 mg/l	DS000	Accepted
Lead	Jan 1, 2022 – Jun 30, 2022	21	0.0021 mg/l	DS000	Accepted
Copper	Jul 1, 2021 – Dec 31, 2021	20	1.61 mg/l	DS000	Accepted
Lead	Jul 1, 2021 – Dec 31, 2021	20	0.0038 mg/l	DS000	Accepted
Copper	Jan 1, 2021 – Jun 30, 2021	20	2.11 mg/l	DS000	Accepted
Lead	Jan 1, 2021 – Jun 30, 2021	20	0.0029 mg/l	DS000	Accepted
Copper	Jul 1, 2020 – Dec 31, 2020	20	2.0539 mg/l	DS000	Accepted
Lead	Jul 1, 2020 – Dec 31, 2020	20	0.0032 mg/l	DS000	Accepted
Copper	Jan 1, 2020 – Jun 30, 2020	20	1.7743 mg/l	DS000	Accepted
Lead	Jan 1, 2020 – Jun 30, 2020	20	0.008 mg/l	DS000	Accepted
Copper	Jul 1, 2019 – Dec 31, 2019	20	2.0967 mg/l	DS000	Accepted
Lead	Jul 1, 2019 – Dec 31, 2019	20	0.0028 mg/l	DS000	Accepted
Copper	Jan 1, 2019 – Jun 30, 2019	21	1.811 mg/l	DS000	Accepted
Lead	Jan 1, 2019 – Jun 30, 2019	21	0.0048 mg/l	DS000	Accepted
Copper	Jul 1, 2018 – Dec 31, 2018	21	1.9821 mg/l	DS000	Accepted
Lead	Jul 1, 2018 – Dec 31, 2018	21	0.0034 mg/l	DS000	Accepted
Copper	Jan 1, 2018 – Jun 30, 2018	21	1.675 mg/l	DS000	Accepted
Lead	Jan 1, 2018 – Jun 30, 2018	21	0.0022 mg/l	DS000	Accepted
Copper	Jul 1, 2017 – Dec 31, 2017	22	1.3256 mg/l	DS000	Accepted
Lead	Jul 1, 2017 – Dec 31, 2017	22	0.0074 mg/l	DS000	Accepted
Copper	Jan 1, 2017 – Jun 30, 2017	21	1.7751 mg/l	DS000	Accepted
Lead	Jan 1, 2017 – Jun 30, 2017	21	0.0066 mg/l	DS000	Accepted
Copper	Jul 1, 2016 – Dec 31, 2016	20	1.4481 mg/l	DS000	Accepted
Lead	Jul 1, 2016 – Dec 31, 2016	20	0.0034 mg/l	DS000	Accepted
Copper	Jan 1, 2016 – Jun 30, 2016	20	1.3811 mg/l	DS000	Accepted
Lead	Jan 1, 2016 – Jun 30, 2016	20	0.0045 mg/l	DS000	Accepted
Copper	Jul 1, 2015 – Dec 31, 2015	20	1.9382 mg/l	DS000	Accepted
Lead	Jul 1, 2015 – Dec 31, 2015	20	0.0046 mg/l	DS000	Accepted
Copper	Jan 1, 2015 – Jun 30, 2015	21	1.4907 mg/l	DS000	Accepted
Lead	Jan 1, 2015 – Jun 30, 2015	21	0.0073 mg/l	DS000	Accepted
Copper	Jul 1, 2014 – Dec 31, 2014	20	2.0867 mg/l	DS000	Accepted
Lead	Jul 1, 2014 – Dec 31, 2014	20	0.0068 mg/l	DS000	Accepted
Copper	Jan 1, 2014 – Jun 30, 2014	22	1.6938 mg/l	DS000	Accepted
Lead	Jan 1, 2014 – Jun 30, 2014	22	0.0028 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.