Calpine, CA Water Safety: 72/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Looking at federal monitoring data for Calpine, CA: the city clears benchmarks set under the Safe Drinking Water Act with room to spare — recorded exceedances are rare, and the systems serving local households have not triggered any pattern of repeat deficiencies in recent cycles.
How Calpine Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Calpine Water
- Homes built before 1986: 57% — older plumbing may contain lead solder.
- Estimated remediation: $400 per household.
- CDC health risk index: 15.46 — above typical levels.
Who Supplies Your Water in Calpine
For most households in Calpine, CA, tap water comes from one provider — the utility that controls the local distribution system out of 1 tracked in federal record.
Overview
We track water quality and home safety data for 1 ZIP code in Calpine, California, covering 1 community water system serving approximately 253 people.
No EPA violations recorded across any ZIP codes in Calpine — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Calpine: B (72/100)
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
Calpine water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Calpine
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 96124 | B | Sierra Company W.w.d #1 Calpine | 182 |
All ZIP Codes in Calpine
- 96124 [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
Updated daily.
Health Outcomes in Calpine
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 Calpine
With 57% 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
Viewed through the lens of construction era, Calpine is predominantly an older city — a median build year of 1988 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in Calpine 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.
Cost Context: What Remediation Means for Calpine Homeowners
Remediation costs in Calpine are small relative to typical property values — the cost-to-value ratio here is favorable.
Remediation costs in Calpine are relatively low compared to home values. The $0–$800 estimated range is a small fraction of median property value. Home values are 7% below the California average.
Lead Exposure Risk for Children in Calpine
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.
Pulling a tap sample fills the gap that utility data cannot close, particularly here where 57% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Calpine.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Calpine, CA