Pleasant Hill, TN Water Safety: 95/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Within Pleasant Hill, safety indicators for tap water remain above the TN median — documented violations are infrequent and the city's compliance record sits in the upper tier.
How Pleasant Hill Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Pleasant Hill Water
- Average lead level: 0.0063 mg/L.
- Homes built before 1986: 65% — older plumbing may contain lead solder.
- CDC health risk index: 17.62 — above typical levels.
Who Supplies Your Water in Pleasant Hill
While 1 water system appear in federal records for Pleasant Hill, TN, one provider supplies the majority of residential connections — making it the central point of infrastructure and compliance accountability for most households.
Overview
We track water quality and home safety data for 1 ZIP code in Pleasant Hill, Tennessee (population ~146), covering 1 community water system serving approximately 5,659 people region-wide.
No EPA violations recorded across any ZIP codes in Pleasant Hill — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Pleasant Hill: A (95/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Pleasant Hill water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0063 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes 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 |
|---|---|---|---|
| 38578 | A | West Cumberland U.d. | 5,659 |
All ZIP Codes in Pleasant Hill
- 38578 [A]
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
Updated daily.
Health Outcomes in Pleasant Hill
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
Housing & Infrastructure in Pleasant Hill
With 65% 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
Pre-1986 plumbing is not a rare legacy case in Pleasant Hill — it's the dominant profile. The median build year of 1973 indicates a housing stock where lead-soldered copper joints are a common structural feature of residences across the city.
Over half of homes in Pleasant Hill 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.
Lead Exposure Risk for Children in Pleasant Hill
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.
In recent monitoring under the Lead and Copper Rule, citywide samples for Pleasant Hill have approached or crossed the regulatory action level on multiple occasions. Combined with 65% of stock dating from the pre-rule era, the picture supports baseline single-tap reads as a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Pleasant Hill, TN