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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

MS0360004 , College Hill Water Assn

16 of the 57 analytes this system has been tested for have been detected at least once, across 183 samples on record.

The other 41 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 183 samples on record, detections range from September 29, 2003 to August 4, 2026. 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 College Hill Water Assn, 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 74 of 75 results Sep 20, 2004 Aug 4, 2026
Lead 1030 Inorganic Chemical 28 of 75 results Aug 14, 2008 Aug 21, 2023
Nitrate-Nitrite 1038 Inorganic Chemical 23 of 23 results May 17, 2004 Jul 15, 2026
Nitrate 1040 Inorganic Chemical 23 of 23 results May 17, 2004 Jul 15, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Sep 29, 2003 Feb 25, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 17, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 5 results Dec 12, 2011 Jul 17, 2012
Radium-228 4030 Radionuclide 5 of 5 results Dec 12, 2011 Jul 17, 2012
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 4 of 20 results Sep 21, 2009 Sep 8, 2020
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 16, 2019 Feb 4, 2025
Monobromoacetic Acid 2453 Organic Chemical 2 of 15 results Aug 12, 2019 Sep 8, 2020
Monochloroacetic Acid 2450 Organic Chemical 2 of 15 results Aug 22, 2018 Aug 12, 2019
TTHM 2950 Organic Chemical 2 of 22 results Aug 15, 2007 Sep 21, 2009
Xylenes, Total 2955 Organic Chemical 2 of 20 results May 4, 2004 Sep 10, 2007
Ethylbenzene 2992 Organic Chemical 2 of 20 results May 4, 2004 Sep 10, 2007
Dichloromethane 2964 Organic Chemical 1 of 20 results Aug 2, 2004 Aug 2, 2004

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 31–40 of 183 samples, newest first — collected June 12, 2023 to August 21, 2023. The summary above covers all 183.

19 results from the 10 samples listed here: 16 detected, 3 not detected. Across the whole record it is 191 of 974. 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 College Hill Water Assn, every result from 31 to 40 of 183 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
Aug 21, 2023 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230822-071
Laboratory
MSDH Lab
0.29 mg/l , sample collected Aug 21, 2023 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.6 ug/l , sample collected Aug 21, 2023 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 21, 2023 07:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230822-070
Laboratory
MSDH Lab
0.0166 mg/l , sample collected Aug 21, 2023 07:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.8 ug/l , sample collected Aug 21, 2023 07:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 21, 2023 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230822-069
Laboratory
MSDH Lab
0.147 mg/l , sample collected Aug 21, 2023 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1.3 ug/l , sample collected Aug 21, 2023 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 21, 2023 06:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230822-068
Laboratory
MSDH Lab
0.194 mg/l , sample collected Aug 21, 2023 06:13, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1.4 ug/l , sample collected Aug 21, 2023 06:13, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 21, 2023 04:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230822-067
Laboratory
MSDH Lab
0.0203 mg/l , sample collected Aug 21, 2023 04:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1.8 ug/l , sample collected Aug 21, 2023 04:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 21, 2023 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230822-066
Laboratory
MSDH Lab
0.0172 mg/l , sample collected Aug 21, 2023 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.6 ug/l , sample collected Aug 21, 2023 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 21, 2023 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230822-065
Laboratory
MSDH Lab
0.0522 mg/l , sample collected Aug 21, 2023 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 21, 2023 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 21, 2023 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230822-064
Laboratory
MSDH Lab
0.353 mg/l , sample collected Aug 21, 2023 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
2 ug/l , sample collected Aug 21, 2023 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 21, 2023 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230822-063
Laboratory
MSDH Lab
0.0365 mg/l , sample collected Aug 21, 2023 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 21, 2023 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 12, 2023 10:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230613-014
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 12, 2023 10:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded

Routine (10).