Public water system · SC0920002
ActiveUpper Calhoun/Sandy Run (Sc0920002)
At a glance
Upper Calhoun/Sandy Run (Sc0920002) (PWSID SC0920002) is an active community water system in Calhoun County, South Carolina. It reports serving 1,247 people through 611 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,247
Service connections
611
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Upper Calhoun/Sandy Run (Sc0920002) compare with other water systems in Calhoun County?
By EPA's size categories, Upper Calhoun/Sandy Run (Sc0920002) is a small system (501 to 3,300 people). Calhoun County has 11 active public water systems, and Upper Calhoun/Sandy Run (Sc0920002) is the 3rd-largest of them by population served. Its population served is about 122% above the county average of 561 people per system, and accounts for 20% of the 6,171 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 community water system reports serving 6,703 people, so Upper Calhoun/Sandy Run (Sc0920002) is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. South Carolina has 567 active community water systems, 41% 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 Upper Calhoun/Sandy Run (Sc0920002)?
EPA lists Upper Calhoun/Sandy Run (Sc0920002) as owned by a local government. 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. 2 of the 11 active systems in Calhoun County (18%) are also owned by a local government.
Does Upper Calhoun/Sandy Run (Sc0920002) have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025. The violations listed here began between January 1991 and August 2025. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 7 as archived and 5 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-08-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2013-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2012-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-02 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2008-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Archived |
| 1991-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Archived |
| 1991-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Archived |
| 1991-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Archived |
| 1991-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Archived |
| 1991-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Archived |
The 12 most recent 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.
Upper Calhoun/Sandy Run (Sc0920002): frequently asked questions
Who runs Upper Calhoun/Sandy Run (Sc0920002)?
Upper Calhoun/Sandy Run (Sc0920002) (PWSID SC0920002) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does Upper Calhoun/Sandy Run (Sc0920002) serve?
Upper Calhoun/Sandy Run (Sc0920002) reports serving 1,247 people through 611 service connections in Calhoun County, South Carolina.
Where does Upper Calhoun/Sandy Run (Sc0920002) 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 Upper Calhoun/Sandy Run (Sc0920002) have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025. 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 Upper Calhoun/Sandy Run (Sc0920002)'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find Upper Calhoun/Sandy Run (Sc0920002)'s water quality report?
As a community water system, Upper Calhoun/Sandy Run (Sc0920002) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Calhoun County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| St Matthews Town of (Sc0910001) | Calhoun | 2,644 | Community | Groundwater |
| Upper Calhoun/Belleville (0920001) | Calhoun | 1,779 | Community | Groundwater |
| Devro-Teepak (Sc0930003) | Calhoun | 185 | Non-transient non-community | Purchased groundwater |
| Poplar Creek (Sc0960001) | Calhoun | 100 | Transient non-community | Groundwater |
| Tri-County Electric Coop (0970901) | Calhoun | 50 | Non-transient non-community | Groundwater |
| Scotchman 3886 (Sc0970910) | Calhoun | 50 | Transient non-community | Groundwater |
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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, “Upper Calhoun/Sandy Run (Sc0920002), PWSID SC0920002, South Carolina”, https://aquacensus.com/water-systems/south-carolina/upper-calhoun-sandy-run-sc0920002-sc0920002 (data as of October 1, 2026).