Awendaw, SC Home Safety: Home Safety 83/100
1 ZIP code · 1 water system · Updated
ZipCheckup grade for Awendaw: B.
This ZIP looks solid, with a few items worth a quick check.
Unlike many cities its size in SC, Awendaw keeps health-based violation rates low - systems here score at or above the state average for tap water safety, with no systemic concerns flagged in the current data set.
How Awendaw Compares
Data: EPA SDWIS
Awendaw Water: The Quick Version
- Average lead level: 0.0011 mg/L.
- Homes built before 1986: 25% - older plumbing may contain lead solder.
- Estimated remediation: $2,700 per household.
- CDC health risk index: 11.36.
Water Systems Serving Awendaw
A single dominant system supplies most of Awendaw, SC. That utility controls infrastructure decisions, rate structures, and EPA compliance reporting for most residential addresses served across those 1 tracked system.
- B
Overview
We track home safety data for 1 ZIP code in Awendaw, South Carolina (population ~4,366), covering 1 community water system serving approximately 91,500 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.
Home Safety Score
Average Home Safety Score for Awendaw: B (83/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Awendaw water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0011 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 |
|---|---|---|---|
| 29429 | B | Mt Pleasant Water Works (1010002) | 91,500 |
All ZIP Codes in Awendaw
- 29429 [B]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
CDC Health Data for Awendaw
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Old Is Awendaw's Housing Stock?
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Lead solder was federally prohibited in new plumbing in 1986. In Awendaw, the median build year of 2007 puts a majority of homes in the lower-risk category for that specific contamination pathway - though the pre-1986 share shown above still carries real exposure potential at the individual household level.
Most homes in Awendaw were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Awendaw: Remediation Cost in Perspective
Equity impact data for Awendaw lands in the favorable tier - remediation claims a small slice of what properties here are worth.
Remediation costs in Awendaw are relatively low compared to home values. The $1,750–$3,900 estimated range is a small fraction of median property value. Home values are 133% above the South Carolina average.
Protecting Children from Lead in Awendaw
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.
Reading Awendaw's aggregate samples next to its housing-age figures yields a quiet baseline. Lead rests under the federal action benchmark in citywide monitoring, and only 25% of homes were built before the federal ban on solder containing lead. Households with kids - the population for whom CDC guidance places particular weight on minimizing exposure - can confirm in-home conditions with a draw-test kit, with a certified lead-removal filter available through certified retail channels if results warrant it.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Awendaw
Historical NFIP data for Awendaw contains 82 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $54,976. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$2,700</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Awendaw, SC