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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

MS0780016 , Spring Valley Water Assn

6 of the 13 analytes this system has been tested for have been detected at least once, across 46 samples on record.

The other 7 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 46 samples on record, detections range from July 10, 2008 to March 25, 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 Spring Valley 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 24 of 24 results Jun 22, 2011 Aug 22, 2023
Lead 1030 Inorganic Chemical 22 of 24 results Jun 22, 2011 Aug 22, 2023
TTHM 2950 Organic Chemical 9 of 11 results Jul 10, 2008 Mar 25, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 2 of 11 results Aug 31, 2009 Aug 21, 2017
Bromoform 2942 Organic Chemical 2 of 5 results Sep 19, 2011 Aug 21, 2017
Monochloroacetic Acid 2450 Organic Chemical 1 of 6 results Aug 21, 2017 Aug 21, 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 21–30 of 46 samples, newest first — collected September 16, 2014 to August 21, 2017. The summary above covers all 46.

30 results from the 10 samples listed here: 16 detected, 14 not detected. Across the whole record it is 60 of 120. 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 Spring Valley Water Assn, every result from 21 to 30 of 46 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, 2017 14:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
170822-012TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 21, 2017 14:10, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
3.01 ug/l , sample collected Aug 21, 2017 14:10, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 21, 2017 14:10, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 21, 2017 14:10, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
3.01 ug/l , sample collected Aug 21, 2017 14:10, sampling point MRT000 TTHM 2950 Jan 1, 2016 – Dec 31, 2018
Collected
Aug 11, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170817-107PB
Laboratory
MSDH Lab
0.6555 mg/l , sample collected Aug 11, 2017 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0005 mg/l , sample collected Aug 11, 2017 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 11, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170817-106PB
Laboratory
MSDH Lab
0.7429 mg/l , sample collected Aug 11, 2017 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.001 mg/l , sample collected Aug 11, 2017 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 9, 2017 07:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170817-105PB
Laboratory
MSDH Lab
0.1313 mg/l , sample collected Aug 9, 2017 07:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0011 mg/l , sample collected Aug 9, 2017 07:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 9, 2017 05:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170817-103PB
Laboratory
MSDH Lab
0.2298 mg/l , sample collected Aug 9, 2017 05:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0008 mg/l , sample collected Aug 9, 2017 05:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 8, 2017 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170817-104PB
Laboratory
MSDH Lab
0.117 mg/l , sample collected Aug 8, 2017 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0083 mg/l , sample collected Aug 8, 2017 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 22, 2015 02:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
150623-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jun 22, 2015 02:30, 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 22, 2015 02:30, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 22, 2015 02:30, 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 22, 2015 02:30, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 22, 2015 02:30, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Jun 22, 2015 02:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2013 – Dec 31, 2015
Collected
Jun 22, 2015 02:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
150623-011TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2015 02:30, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2015 02:30, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2015 02:30, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2015 02:30, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jun 22, 2015 02:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2013 – Dec 31, 2015
Collected
Sep 16, 2014 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140917-025PB
Laboratory
MSDH Lab
0.0214 mg/l , sample collected Sep 16, 2014 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0013 mg/l , sample collected Sep 16, 2014 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 16, 2014 04:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140917-024PB
Laboratory
MSDH Lab
0.0994 mg/l , sample collected Sep 16, 2014 04:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0021 mg/l , sample collected Sep 16, 2014 04:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).