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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

MS0490018 , Hays Creek W/A-Legion Lake Rd

11 of the 13 analytes this system has been tested for have been detected at least once, across 89 samples on record.

The other 2 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 89 samples on record, detections range from July 19, 2004 to July 8, 2025. 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 Hays Creek W/A-Legion Lake Rd, 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 63 of 67 results Sep 23, 2004 Jul 8, 2025
Lead 1030 Inorganic Chemical 34 of 67 results Sep 23, 2004 Jul 8, 2025
TTHM 2950 Organic Chemical 10 of 11 results Jul 19, 2004 Apr 30, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 11 results Jun 13, 2007 Apr 30, 2025
Chloroform 2941 Organic Chemical 6 of 7 results Jun 13, 2007 Aug 22, 2017
Bromodichloromethane 2943 Organic Chemical 6 of 7 results Jun 13, 2007 Aug 22, 2017
Dibromochloromethane 2944 Organic Chemical 6 of 7 results Jun 13, 2007 Aug 22, 2017
Monochloroacetic Acid 2450 Organic Chemical 2 of 6 results Aug 4, 2014 Aug 23, 2017
Dichloroacetic Acid 2451 Organic Chemical 2 of 6 results Jun 27, 2011 Aug 23, 2017
Bromoform 2942 Organic Chemical 2 of 7 results Jul 8, 2008 Aug 24, 2009
Trichloroacetic Acid 2452 Organic Chemical 1 of 6 results Aug 23, 2017 Aug 23, 2017

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 41–50 of 89 samples, newest first — collected September 9, 2015 to May 17, 2016. The summary above covers all 89.

20 results from the 10 samples listed here: 14 detected, 6 not detected. Across the whole record it is 140 of 214. 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 Hays Creek W/A-Legion Lake Rd, every result from 41 to 50 of 89 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
May 17, 2016 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160518-004PB
Laboratory
MSDH Lab
0.0077 mg/l , sample collected May 17, 2016 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
0.0023 mg/l , sample collected May 17, 2016 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
Collected
May 17, 2016 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160518-003PB
Laboratory
MSDH Lab
0.0924 mg/l , sample collected May 17, 2016 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 17, 2016 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
Collected
May 17, 2016 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160518-002PB
Laboratory
MSDH Lab
0.0129 mg/l , sample collected May 17, 2016 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
0.0008 mg/l , sample collected May 17, 2016 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
Collected
Nov 5, 2015 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151106-015PB
Laboratory
MSDH Lab
0.0246 mg/l , sample collected Nov 5, 2015 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 5, 2015 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Nov 5, 2015 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151106-010PB
Laboratory
MSDH Lab
0.0523 mg/l , sample collected Nov 5, 2015 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
0.0018 mg/l , sample collected Nov 5, 2015 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Nov 5, 2015 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151106-009PB
Laboratory
MSDH Lab
0.3688 mg/l , sample collected Nov 5, 2015 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 5, 2015 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Nov 5, 2015 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151106-008PB
Laboratory
MSDH Lab
0.0104 mg/l , sample collected Nov 5, 2015 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
0.0008 mg/l , sample collected Nov 5, 2015 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Nov 5, 2015 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151106-007PB
Laboratory
MSDH Lab
0.0096 mg/l , sample collected Nov 5, 2015 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 5, 2015 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Sep 9, 2015 20:30
Sampling point
CC091 Master Meter M091
Sample type
Routine
Lab sample
150910-064PB
Laboratory
MSDH Lab
0.0099 mg/l , sample collected Sep 9, 2015 20:30, sampling point CC091 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 9, 2015 20:30, sampling point CC091 Lead 1030 EPA method 200.8 Not recorded
Collected
Sep 9, 2015 06:30
Sampling point
CC090 Master Meter M090
Sample type
Routine
Lab sample
150910-065PB
Laboratory
MSDH Lab
0.0085 mg/l , sample collected Sep 9, 2015 06:30, sampling point CC090 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 9, 2015 06:30, sampling point CC090 Lead 1030 EPA method 200.8 Not recorded

Routine (10).