Public water system · SC1070247
ActiveOld Post Office Restaurant (Sc1070247)
At a glance
Old Post Office Restaurant (Sc1070247) (PWSID SC1070247) is an active transient non-community water system in Charleston County, South Carolina. It reports serving 26 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in April 2007.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
26
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Old Post Office Restaurant (Sc1070247) compare with other water systems in Charleston County?
By EPA's size categories, Old Post Office Restaurant (Sc1070247) is a very small system (500 people or fewer). Charleston County has 72 active public water systems. Its population served is well below the county average of 6,667 people per system, and accounts for less than 0.1% of the 480,015 people reported by systems filed under the county. Across South Carolina, the 1,392 active systems average 3,511 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Old Post Office Restaurant (Sc1070247) is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. South Carolina has 743 active transient non-community water systems, 53% of the state's 1,392 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 933 South Carolina systems (67%) list groundwater as their primary source.
Who owns and regulates Old Post Office Restaurant (Sc1070247)?
EPA lists Old Post Office Restaurant (Sc1070247) as privately owned. The SC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 52 of the 72 active systems in Charleston County (72%) are also privately owned.
Does Old Post Office Restaurant (Sc1070247) have drinking water violations?
EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in April 2007. The violations listed here began between January 1991 and April 2007. By type: 7 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (10 of them). EPA lists 5 as resolved and 5 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2007-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 10 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Old Post Office Restaurant (Sc1070247): frequently asked questions
Who runs Old Post Office Restaurant (Sc1070247)?
Old Post Office Restaurant (Sc1070247) (PWSID SC1070247) is a transient non-community water system privately owned. It is regulated by the SC state drinking water program.
How many people does Old Post Office Restaurant (Sc1070247) serve?
Old Post Office Restaurant (Sc1070247) reports serving 26 people through 3 service connections in Charleston County, South Carolina.
Where does Old Post Office Restaurant (Sc1070247) get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Old Post Office Restaurant (Sc1070247) have any drinking water violations?
EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in April 2007. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Old Post Office Restaurant (Sc1070247)'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in April 2007. For current results, consult EPA ECHO, or the SC state drinking water program.
Where can I find Old Post Office Restaurant (Sc1070247)'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Old Post Office Restaurant (Sc1070247) is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Charleston County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Charleston Water System (Sc1010001) | Charleston | 327,422 | Community | Surface water |
| Mt Pleasant Water Works (1010002) | Charleston | 91,500 | Community | Purchased surface water |
| St John'S Water (Sc1020002) | Charleston | 22,592 | Community | Purchased surface water |
| Kiawah Island Utility (Sc1010008) | Charleston | 9,550 | Community | Purchased surface water |
| Isle of Palms W/S Comm (Sc1010004) | Charleston | 9,530 | Community | Purchased surface water |
| Seabrook Island Town of (1010009) | Charleston | 5,939 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Old Post Office Restaurant (Sc1070247), PWSID SC1070247, South Carolina”, https://aquacensus.com/water-systems/south-carolina/old-post-office-restaurant-sc1070247-sc1070247 (data as of October 1, 2026).