City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Aiken, South Carolina.
Median indexed hardness
12PPM
2 indexed ZIPs
Range 12.1–12.5 PPM
City summary
Aiken has 2 published ZIP profiles across Aiken County. The indexed median is 12 PPM, compared with 19 PPM across South Carolina.
Among the 173 South Carolinacities with an indexed median, Aiken ranks #142from highest to lowest. Across all 236 state ZIP profiles, available estimates run from 4.2to 106 PPM.
The 12.1–12.5 PPM range shows how much the available ZIP estimates vary within the city label.
Hardness distribution
2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: Jan 19, 2016 to Dec 3, 2024.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID SC0210001
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID SC0220008
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID SC0220002
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID SC0250004
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID SC0250009
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID SC0260038
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID SC0260016
The system names this served city; Census place overlap links the city to this ZCTA.
Compliance history
7 unique active health-based records appear among associated systems. This does not mean every contaminant was tested at every tap.
| Record | System | Period | Status |
|---|---|---|---|
| Consumer Confidence Rule | SC0260038 | Oct 1, 2025 | Unaddressed |
| LEAD AND COPPER RULE REVISIONS | SC0250004 | Oct 17, 2024 | Resolved · health-based |
| LEAD AND COPPER RULE REVISIONS | SC0250004 | Oct 17, 2024 | Resolved |
| LEAD AND COPPER RULE REVISIONS | SC0260038 | Oct 17, 2024 | Resolved · health-based |
| LEAD AND COPPER RULE REVISIONS | SC0260038 | Oct 17, 2024 | Resolved |
| Lead and Copper Rule | SC0260038 | Dec 30, 2023 | Resolved |
| Revised Total Coliform Rule | SC0250004 | Oct 1, 2023 | Resolved |
| Consumer Confidence Rule | SC0260038 | Oct 1, 2023 | Resolved |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | SC0210001 | Jul 1, 2021 | Addressed · health-based |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | SC0210001 | Jun 1, 2021 | Addressed · health-based |
Practical next steps
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Questions people ask
The indexed city median is 12 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.
Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.
Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.