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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 131–140 of 229 samples, newest first — collected July 17, 2012 to August 28, 2013. The summary above covers all 229.

55 results from the 10 samples listed here: 10 detected, 45 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 131 to 140 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
Aug 28, 2013 01:04
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130829-007VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 28, 2013 01:04, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Jun 26, 2013 03:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130627-015HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jun 26, 2013 03:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 26, 2013 03:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Jun 26, 2013 03:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 26, 2013 03:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Jun 26, 2013 03:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jun 26, 2013 03:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Dec 31, 2013
Collected
Jun 26, 2013 02:58
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130627-012TH
Laboratory
MSDH Lab
1.9 ug/l , sample collected Jun 26, 2013 02:58, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
3.86 ug/l , sample collected Jun 26, 2013 02:58, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
2.6 ug/l , sample collected Jun 26, 2013 02:58, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
5.08 ug/l , sample collected Jun 26, 2013 02:58, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
13.4 ug/l , sample collected Jun 26, 2013 02:58, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Feb 13, 2013 02:25
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
130214-021NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 13, 2013 02:25, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 13, 2013 02:25, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 13, 2013 02:25, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Feb 13, 2013 02:38
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130214-020NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 13, 2013 02:38, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 13, 2013 02:38, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 13, 2013 02:38, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Jul 18, 2012 14:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
201210050157
Laboratory
Radiation Safety Engineering
Not detected below 0.37 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:00, sampling point TF103 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.64 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:00, sampling point TF103 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.217 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:00, sampling point TF103 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.64 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:00, sampling point TF103 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 18, 2012 14:25
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
201210050145
Laboratory
Radiation Safety Engineering
1 pci/l , sample collected Jul 18, 2012 14:25, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.63 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:25, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.171 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:25, sampling point TF102 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.63 pci/l Minimum Reporting Level , sample collected Jul 18, 2012 14:25, sampling point TF102 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 17, 2012 14:25
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
120718-025
Laboratory
Radiation Safety Engineering
Not detected below 0.37 pci/l Minimum Reporting Level , sample collected Jul 17, 2012 14:25, sampling point TF103 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.64 pci/l Minimum Reporting Level , sample collected Jul 17, 2012 14:25, sampling point TF103 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.217 pci/l Minimum Reporting Level , sample collected Jul 17, 2012 14:25, sampling point TF103 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.64 pci/l Minimum Reporting Level , sample collected Jul 17, 2012 14:25, sampling point TF103 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 17, 2012 14:50
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120718-024
Laboratory
Radiation Safety Engineering
1 pci/l , sample collected Jul 17, 2012 14:50, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.63 pci/l Minimum Reporting Level , sample collected Jul 17, 2012 14:50, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.171 pci/l Minimum Reporting Level , sample collected Jul 17, 2012 14:50, sampling point TF102 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.63 pci/l Minimum Reporting Level , sample collected Jul 17, 2012 14:50, sampling point TF102 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 17, 2012 14:25
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
120718-025RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 17, 2012 14:25, sampling point TF103 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012

Routine (10).