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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.

Coliform and microbial samples

MS0530017 , Rock Hill Water Association

2 of 670 results on record were positive for coliform or another organism the agency tests for. The most recent was September 12, 2011.

They fall across 2 of the 497 samples on record.

Every sample on record, October 7, 2003 to July 27, 2026. These figures cover the whole record; the list of samples further down is narrowed.

This system’s violations

The most recent samples

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

Choose a date range

The list below shows 31–43 of 43 samples in this date range, newest first.

Routine (13).

Coliform and microbial sample results for Rock Hill Water Association, 31 to 43 of 43 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 9, 2025 11:20
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30734
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 9, 2025 11:20, sampling point TC0008 Coliform (TCR)
Absence , sample collected Apr 9, 2025 11:20, sampling point TC0008 E. Coli
Collected
Mar 3, 2025 11:20
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30732
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 11:20, sampling point TC0003 Coliform (TCR)
Absence , sample collected Mar 3, 2025 11:20, sampling point TC0003 E. Coli
Collected
Mar 3, 2025 10:22
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-221114-30731
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 10:22, sampling point TC0009 Coliform (TCR)
Absence , sample collected Mar 3, 2025 10:22, sampling point TC0009 E. Coli
Collected
Feb 18, 2025 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-231206-48270
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 18, 2025 10:30, sampling point DS000 Coliform (TCR)
Absence , sample collected Feb 18, 2025 10:30, sampling point DS000 E. Coli
Collected
Feb 18, 2025 09:35
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-231206-48269
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 18, 2025 09:35, sampling point TC0004 Coliform (TCR)
Absence , sample collected Feb 18, 2025 09:35, sampling point TC0004 E. Coli
Collected
Jan 15, 2025 10:05
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-231206-48267
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2025 – Jan 31, 2025
Absence , sample collected Jan 15, 2025 10:05, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jan 15, 2025 10:05, sampling point TC0010 E. Coli
Collected
Jan 15, 2025 10:50
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-231206-48268
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2025 – Jan 31, 2025
Absence , sample collected Jan 15, 2025 10:50, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jan 15, 2025 10:50, sampling point TC0012 E. Coli
Collected
Dec 11, 2024 11:20
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-231206-48266
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 11, 2024 11:20, sampling point TC0009 Coliform (TCR)
Absence , sample collected Dec 11, 2024 11:20, sampling point TC0009 E. Coli
Collected
Dec 11, 2024 10:35
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-231206-48265
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 11, 2024 10:35, sampling point TC0010 Coliform (TCR)
Absence , sample collected Dec 11, 2024 10:35, sampling point TC0010 E. Coli
Collected
Nov 12, 2024 10:35
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-231206-48264
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 12, 2024 10:35, sampling point TC0003 Coliform (TCR)
Absence , sample collected Nov 12, 2024 10:35, sampling point TC0003 E. Coli
Collected
Nov 12, 2024 09:40
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-231206-48263
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 12, 2024 09:40, sampling point TC0012 Coliform (TCR)
Absence , sample collected Nov 12, 2024 09:40, sampling point TC0012 E. Coli
Collected
Oct 7, 2024 10:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-231206-48262
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 7, 2024 10:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected Oct 7, 2024 10:20, sampling point TC0004 E. Coli
Collected
Oct 7, 2024 09:35
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-231206-48261
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 7, 2024 09:35, sampling point TC0009 Coliform (TCR)
Absence , sample collected Oct 7, 2024 09:35, sampling point TC0009 E. Coli