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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

MS0180022 , S MS Public Water Auth-Rock Hill

19 of the 56 analytes this system has been tested for have been detected at least once, across 281 samples on record.

The other 37 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 281 samples on record, detections range from May 19, 2004 to August 4, 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 S MS Public Water Auth-Rock Hill, 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 113 of 113 results Jun 26, 2007 Aug 13, 2024
Lead 1030 Inorganic Chemical 69 of 113 results Jun 26, 2007 Aug 13, 2024
TTHM 2950 Organic Chemical 44 of 45 results May 19, 2004 Aug 4, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 42 of 47 results May 19, 2004 Aug 6, 2024
Chloroform 2941 Organic Chemical 36 of 37 results Sep 12, 2006 Aug 4, 2025
Bromodichloromethane 2943 Organic Chemical 33 of 37 results Sep 12, 2006 Aug 4, 2025
Dichloroacetic Acid 2451 Organic Chemical 30 of 34 results Jan 29, 2008 Aug 6, 2024
Trichloroacetic Acid 2452 Organic Chemical 30 of 34 results Jan 29, 2008 Aug 6, 2024
Xylenes, Total 2955 Organic Chemical 13 of 30 results Jul 14, 2004 Jul 13, 2009
Barium 1010 Inorganic Chemical 10 of 10 results Nov 15, 2004 Feb 4, 2025
Fluoride 1025 Inorganic Chemical 9 of 10 results Nov 15, 2004 Feb 4, 2025
Monochloroacetic Acid 2450 Organic Chemical 8 of 34 results Apr 29, 2008 Jun 26, 2018
Dibromochloromethane 2944 Organic Chemical 7 of 37 results Apr 29, 2008 Aug 4, 2025
Chromium 1020 Inorganic Chemical 5 of 10 results Mar 2, 2005 Jan 26, 2021
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 10, 2012
Ethylbenzene 2992 Organic Chemical 4 of 30 results Jul 14, 2004 May 12, 2008
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 23, 2019 Jan 30, 2024
Nickel 1036 Inorganic Chemical 2 of 10 results Apr 2, 2008 Apr 16, 2014
Selenium 1045 Inorganic Chemical 2 of 10 results Mar 2, 2005 Feb 6, 2006

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 111–120 of 281 samples, newest first — collected July 9, 2012 to July 10, 2012. The summary above covers all 281.

21 results from the 10 samples listed here: 9 detected, 12 not detected. Across the whole record it is 465 of 1,480. 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 S MS Public Water Auth-Rock Hill, every result from 111 to 120 of 281 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
Jul 10, 2012 09:15
Sampling point
DS000
Sample type
Routine
Lab sample
120711-090PB
Laboratory
MSDH Lab
0.0056 mg/l , sample collected Jul 10, 2012 09:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 10, 2012 09:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 10, 2012 09:00
Sampling point
DS000
Sample type
Routine
Lab sample
120711-088PB
Laboratory
MSDH Lab
0.006 mg/l , sample collected Jul 10, 2012 09:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 10, 2012 09:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 10, 2012 08:20
Sampling point
DS000
Sample type
Routine
Lab sample
120711-087PB
Laboratory
MSDH Lab
0.0058 mg/l , sample collected Jul 10, 2012 08:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 10, 2012 08:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 10, 2012 08:45
Sampling point
DS000
Sample type
Routine
Lab sample
120711-086PB
Laboratory
MSDH Lab
0.0053 mg/l , sample collected Jul 10, 2012 08:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 10, 2012 08:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 9, 2012 12:30
Sampling point
TF101
Sample type
Routine
Lab sample
120710-084
Laboratory
Radiation Safety Engineering
1.3 pci/l , sample collected Jul 9, 2012 12:30, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.42 pci/l Minimum Reporting Level , sample collected Jul 9, 2012 12:30, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.419 pci/l Minimum Reporting Level , sample collected Jul 9, 2012 12:30, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.42 pci/l Minimum Reporting Level , sample collected Jul 9, 2012 12:30, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 9, 2012 08:00
Sampling point
DS000
Sample type
Routine
Lab sample
120711-092PB
Laboratory
MSDH Lab
0.0063 mg/l , sample collected Jul 9, 2012 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 9, 2012 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 9, 2012
Sampling point
DS000
Sample type
Routine
Lab sample
120711-091PB
Laboratory
MSDH Lab
0.0052 mg/l , sample collected Jul 9, 2012, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 9, 2012, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 9, 2012
Sampling point
DS000
Sample type
Routine
Lab sample
120711-089PB
Laboratory
MSDH Lab
0.0067 mg/l , sample collected Jul 9, 2012, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 9, 2012, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 9, 2012 09:00
Sampling point
DS000
Sample type
Routine
Lab sample
120711-085PB
Laboratory
MSDH Lab
0.0068 mg/l , sample collected Jul 9, 2012 09:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 9, 2012 09:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 9, 2012 12:30
Sampling point
TF101
Sample type
Routine
Lab sample
120710-084RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 9, 2012 12:30, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012

Routine (10).