WEST COLUMBIA, SC · York County
UPST HEATER/WILLOWBROOK Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of July 1, 1998. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in York County, SC.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace South Carolina’s official records. Always confirm current status with South Carolina before making decisions based on this information.
System facts
- System ID (PWSID)
- SC4650026
- System type
- Community Water System
- Population served
- 131
- Service connections
- 45
- Ownership
- privately owned
- Water source
- groundwater (wells)
UPST HEATER/WILLOWBROOK is one of 1,060 community water systems in South Carolina in the 500 or fewer people size category, formerly serving 131 people from groundwater.
EPA's federal records list this system as inactive in 1998; the record below is historical.
As of August 1, 2026, its federal record holds 3 entries between 1988 and 1996, all of which EPA lists as closed. Nothing has been added since 1996.
Of the 3, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Lead and Copper Rule and the Radionuclides and Revised Rad Rule.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
June 1, 1996 – July 1, 1998
ArchivedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
January 1, 1994 – January 10, 1995
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedGross Beta Particle Activity
October 1, 1988 – October 31, 1988
Archived
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 1996 – July 1, 1998 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Archived |
| January 1, 1994 – January 10, 1995 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| October 1, 1988 – October 31, 1988 | Maximum Contaminant Level Violation, Single Sample | Gross Beta Particle Activity | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- January 10, 1995State Compliance achieved1 linked violation
Last known contact on file (system is inactive)
Not on record
803-796-2870
WEST COLUMBIA, SC 29169