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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

MS0310005 , Town of Heidelberg

25 of the 57 analytes this system has been tested for have been detected at least once, across 229 samples on record.

The other 32 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 229 samples on record, detections range from September 29, 2003 to July 27, 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 Town of Heidelberg, 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 73 of 73 results Aug 8, 2007 Jul 27, 2026
Lead 1030 Inorganic Chemical 59 of 73 results Aug 8, 2007 Jul 27, 2026
Barium 1010 Inorganic Chemical 22 of 22 results Sep 29, 2003 Jul 8, 2026
Fluoride 1025 Inorganic Chemical 22 of 22 results Sep 29, 2003 Jul 8, 2026
TTHM 2950 Organic Chemical 19 of 20 results Aug 9, 2007 Aug 21, 2025
Chloroform 2941 Organic Chemical 15 of 15 results Aug 9, 2007 Aug 21, 2025
Bromodichloromethane 2943 Organic Chemical 15 of 15 results Aug 9, 2007 Aug 21, 2025
Dibromochloromethane 2944 Organic Chemical 15 of 15 results Aug 9, 2007 Aug 21, 2025
Bromoform 2942 Organic Chemical 14 of 15 results Sep 24, 2008 Aug 21, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 14 of 19 results Sep 27, 2007 Jun 2, 2025
Trichloroacetic Acid 2452 Organic Chemical 13 of 15 results Sep 27, 2007 Jun 2, 2025
Chromium 1020 Inorganic Chemical 13 of 22 results Sep 29, 2003 May 16, 2022
Dibromoacetic Acid 2454 Organic Chemical 11 of 15 results Sep 27, 2007 Jun 2, 2025
Dichloroacetic Acid 2451 Organic Chemical 9 of 15 results Sep 27, 2007 Jun 2, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 19, 2019 Feb 3, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Dec 8, 2011 Jul 18, 2012
Nickel 1036 Inorganic Chemical 4 of 20 results Feb 25, 2004 Nov 9, 2009
Sulfate 1055 Inorganic Chemical 4 of 4 results Sep 29, 2003 Feb 25, 2004
Xylenes, Total 2955 Organic Chemical 1 of 14 results Jun 7, 2022 Jun 7, 2022
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Aug 7, 2018 Aug 7, 2018
Cyanide 1024 Inorganic Chemical 1 of 20 results Sep 14, 2009 Sep 14, 2009
Monobromoacetic Acid 2453 Organic Chemical 1 of 15 results Sep 27, 2007 Sep 27, 2007
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 45 results May 7, 2007 May 7, 2007
Nitrate 1040 Inorganic Chemical 1 of 45 results May 7, 2007 May 7, 2007
Selenium 1045 Inorganic Chemical 1 of 22 results Feb 15, 2006 Feb 15, 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 61–70 of 229 samples, newest first — collected June 24, 2020 to October 4, 2021. The summary above covers all 229.

17 results from the 10 samples listed here: 6 detected, 11 not detected. Across the whole record it is 340 of 1,069. 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 Town of Heidelberg, every result from 61 to 70 of 229 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
Oct 4, 2021 13:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-211005-014
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 4, 2021 13:15, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 4, 2021 13:15, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Oct 4, 2021 13:15, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Oct 4, 2021 13:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-211005-013
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 4, 2021 13:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 4, 2021 13:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Oct 4, 2021 13:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Jun 15, 2021 13:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-210616-006
Laboratory
MSDH Lab
41.5 ug/l , sample collected Jun 15, 2021 13:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Collected
May 18, 2021 13:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-210519-013
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 18, 2021 13:45, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 18, 2021 13:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-210519-021
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 18, 2021 13:30, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 3, 2021 13:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
RU-210504-019
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2021 13:30, sampling point TF103 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
May 3, 2021 13:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
RU-210504-018
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2021 13:15, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Jun 24, 2020 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200625-066PB
Laboratory
MSDH Lab
0.6687 mg/l , sample collected Jun 24, 2020 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 24, 2020 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 24, 2020 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200625-065PB
Laboratory
MSDH Lab
0.3554 mg/l , sample collected Jun 24, 2020 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0053 mg/l , sample collected Jun 24, 2020 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 24, 2020 10:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200625-064PB
Laboratory
MSDH Lab
1.1597 mg/l , sample collected Jun 24, 2020 10:24, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0018 mg/l , sample collected Jun 24, 2020 10:24, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).