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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Chemical and radiological sample results

MS0260018 , West Hill Water Association

9 of the 13 analytes this system has been tested for have been detected at least once, across 86 samples on record.

The other 4 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 86 samples on record, detections range from November 1, 1993 to February 26, 2024. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for West Hill Water Association, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 64 of 70 results Nov 1, 1993 Jul 12, 2023
Lead 1030 Inorganic Chemical 26 of 70 results Nov 1, 1993 Jul 12, 2023
TTHM 2950 Organic Chemical 6 of 8 results Jun 7, 2004 Feb 26, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 8 results Jun 4, 2007 Feb 26, 2024
Dichloroacetic Acid 2451 Organic Chemical 3 of 5 results Jun 23, 2008 Aug 22, 2017
Chloroform 2941 Organic Chemical 3 of 6 results Jun 23, 2008 Aug 22, 2017
Monobromoacetic Acid 2453 Organic Chemical 2 of 5 results Jul 1, 2009 Jun 29, 2011
Bromodichloromethane 2943 Organic Chemical 1 of 6 results Aug 22, 2017 Aug 22, 2017
Monochloroacetic Acid 2450 Organic Chemical 1 of 5 results Jun 29, 2011 Jun 29, 2011

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 81–86 of 86 samples, newest first — collected November 1, 1993 to November 1, 1993. The summary above covers all 86.

12 results from the 6 samples listed here: 11 detected, 1 not detected. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for West Hill Water Association, every result from 81 to 86 of 86 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Nov 1, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931101-026L
Laboratory
MSDH Lab
0.129 mg/l , sample collected Nov 1, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Nov 1, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 1, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931101-025L
Laboratory
MSDH Lab
0.179 mg/l , sample collected Nov 1, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.003 mg/l , sample collected Nov 1, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 1, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931101-024L
Laboratory
MSDH Lab
0.065 mg/l , sample collected Nov 1, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Nov 1, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 1, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931101-023L
Laboratory
MSDH Lab
0.076 mg/l , sample collected Nov 1, 1993, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Nov 1, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 1, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931101-022L
Laboratory
MSDH Lab
0.174 mg/l , sample collected Nov 1, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Nov 1, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 1, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931101-021L
Laboratory
MSDH Lab
0.059 mg/l , sample collected Nov 1, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Nov 1, 1993, sampling point DS000 Lead 1030 Not recorded

Routine (6).