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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.
TTHM results
MS0310024 , Tri-County W/A #3-Summerland
20 samples have been analysed for TTHM at Tri-County W/A #3-Summerland.
This is one analyte out of the system’s whole record. For what has ever been detected here, and when, see all chemical and radiological results; for everything the system is tested for, see the analyte list.
What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.
No date range is applied: this list draws on every sample on record. Show the last two years only.
Every TTHM result
The table below lists 11–20 of 20 samples, newest first — collected June 14, 2004 to May 28, 2024.
10 TTHM results from the 10 samples listed here: 2 detected, 8 not detected. Those samples also carried 24 results for other analytes, which are on the full results page.
Units in this table
TTHM is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.
| Result | Analyte | Monitoring period |
|---|---|---|
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected May 28, 2024 08:46, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Not recorded |
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected May 9, 2023 09:36, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Not recorded |
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 29, 2022 08:07, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Not recorded |
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| Not detected below 4 ug/l Minimum Reporting Level , sample collected Jun 4, 2019 12:35, sampling point MRT000 | TTHM 2950 | Not recorded |
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| Not detected below 4 ug/l Minimum Reporting Level , sample collected Aug 8, 2018 12:10, sampling point MRT000 | TTHM 2950 | Jan 1, 2017 – Dec 31, 2019 |
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| Not detected below 4 ug/l Minimum Reporting Level , sample collected Jun 24, 2015 12:15, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Jan 1, 2014 – Dec 31, 2016 |
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| Not detected below 4 ug/l Minimum Reporting Level , sample collected Sep 12, 2012 02:10, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Jan 1, 2011 – Dec 31, 2013 |
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| 0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Sep 22, 2008, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Jan 1, 2008 – Dec 31, 2010 |
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| 0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Aug 7, 2007, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Jan 1, 2005 – Dec 31, 2007 |
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 14, 2004, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Jan 1, 2004 – Dec 31, 2004 |
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- Collected
- May 28, 2024 08:46
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- TH-240529-005
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- May 9, 2023 09:36
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- TH-230509-030
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Mar 29, 2022 08:07
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- TH-220330-003
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Jun 4, 2019 12:35
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 190605-003TH
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
TTHM 2950
- Result
- Not detected below 4 ug/l Minimum Reporting Level
-
- Collected
- Aug 8, 2018 12:10
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 180809-006TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
TTHM 2950
- Result
- Not detected below 4 ug/l Minimum Reporting Level
-
- Collected
- Jun 24, 2015 12:15
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 150625-009TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 4 ug/l Minimum Reporting Level
-
- Collected
- Sep 12, 2012 02:10
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 120913-003TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2011 – Dec 31, 2013
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 4 ug/l Minimum Reporting Level
-
- Collected
- Sep 22, 2008
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 080923-007TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2008 – Dec 31, 2010
-
TTHM 2950 EPA method 524.2
- Result
- 0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType.
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- Collected
- Aug 7, 2007
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 070808-009TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
TTHM 2950 EPA method 524.2
- Result
- 0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType.
-
- Collected
- Jun 14, 2004
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 040615-031TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2004 – Dec 31, 2004
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
Routine (10).