CITY REPORT SC

Olar, SC Home Safety: Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
Zone 3
Radon Risk (Low)
$68K
Median Home Value

Key Facts for Olar Residents

  • Average lead level: 0.0007 mg/L.
  • Homes built before 1986: 61% - older plumbing may contain lead solder.
  • CDC health risk index: 16.33 - above typical levels.

Olar's Water Providers

Across most of Olar, SC, residential water comes from a single utility. That provider sets rates, manages infrastructure maintenance, and files compliance reports with the EPA on behalf of the households it serves. Federal tracking data shows 1 system on record, but one carries the bulk of the service load.

Overview

We track home safety data for 1 ZIP code in Olar, South Carolina (population ~1,056), covering 1 community water system serving approximately 4,693 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Water Sources

Olar water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0007 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

Areas with No Violations

ZIP Code Safety Score System Population
29843 Barnwell Town of (sc0610001) 4,693

All ZIP Codes in Olar

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Olar Community Health Snapshot

10.9%
Asthma (US: 9.8%)
19.5%
Diabetes (US: 10.4%)
17.7%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.9% ↑
Diabetes 19.5% ↑
Mental Health 17.7% ↑

Vertical line = national average. Above national · Below national

Olar Infrastructure Age

1971
Median Build Year
61%
Built Before 1986
22%
Built Before 1970
Copper
Likely Pipe Material

With 61% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Reading the housing age data for Olar - median build year 1971 - the overriding implication is that the plumbing materials inside a typical home here reflect pre-1986 construction standards. In practical terms, that means lead-soldered copper joints are common across much of the housing stock. Where those materials are present, water can leach lead as it moves through joints - a pathway that corrosion control treatment under federal rules is designed to reduce, though it cannot eliminate lead risk where the plumbing materials themselves contain lead.

1971
Median Year Built
61%
Pre-1986 (Lead Paint Risk)
22%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (22%) 1970–1986 (39%) Post-1986 (39%)

Over half of homes in Olar were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Olar: Lead Risk & Vulnerable Populations

61%
Homes Built Before 1986
0.0007
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

If 61% of the Olar inventory comes from before the federal ban on lead-bearing solder - and if utility samples sit at or near 0.015 mg/L - the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Frequently Asked Questions

Does Olar water have lead?
The average 90th-percentile lead level in Olar is 0.0007 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Olar?
Olar is served by 1 public water system across 1 ZIP code, serving approximately 1,056 people.
HomeCitiesSouth Carolina → Olar, SC

How to cite this page

APA ZipCheckup. (2026). Olar, SC Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/sc/olar/
BibTeX
@misc{zipcheckup-cities-sc-olar,
  author = {{ZipCheckup}},
  title  = {{Olar, SC Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/sc/olar/}
}

Page version: August 2026.

Get safety alerts for Olar, South Carolina

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.