Cibolo, TX Water Safety: 85/100 (2026)
1 ZIP code · 8 water systems · Updated 2026-06-03
Water utilities in Cibolo have maintained a consistent compliance record over recent monitoring periods — the city's above-average grade in TX reflects low violation rates and no systemic health concerns flagged in current data.
How Cibolo Compares
Data: EPA SDWIS Last verified: 2026-06-03
Cibolo Water: The Quick Version
- Average lead level: 0.0047 mg/L.
- Homes built before 1986: 14% — older plumbing may contain lead solder.
- Estimated remediation: $2,300 per household.
- CDC health risk index: 11.76.
Water Systems Serving Cibolo
In Cibolo, TX, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 8 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.
Overview
We track water quality and home safety data for 1 ZIP code in Cibolo, Texas (population ~48,458), covering 8 community water systems serving approximately 2,376,148 people region-wide.
No EPA violations recorded across any ZIP codes in Cibolo — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Cibolo: A (85/100)
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
Cibolo water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0047 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 |
|---|---|---|---|
| 78108 | A | City of Cibolo | 20,331 |
All ZIP Codes in Cibolo
- 78108 [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.
CDC Health Data for Cibolo
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 Cibolo'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
Cibolo's housing stock skews relatively recent, with a median build year of 2003. Homes constructed after 1986 avoid the lead-soldered copper joints that were standard before the federal ban — reducing aggregate risk from plumbing as a contamination pathway.
Most homes in Cibolo 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.
Cibolo: Remediation Cost in Perspective
When remediation costs are measured against Cibolo home values, the resulting ratio is in the low tier — addressing documented water and safety issues here claims only a minor fraction of typical equity, and most homeowners are in a position where the financial commitment is straightforward rather than a material burden on their household budget.
Remediation costs in Cibolo are relatively low compared to home values. The $1,500–$3,300 estimated range is a small fraction of median property value. Home values are 35% above the Texas average.
Protecting Children from Lead in Cibolo
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.
Generally, the structural picture for Cibolo runs in a quiet direction. Aggregate sampling rests under the federal action benchmark, and 14% of housing comes from the pre-rule era — a contained local footprint. That dual signal keeps lead in the background of local concerns, while a one-faucet measurement still answers a different question than any system average can: what is actually flowing from one specific tap on a given morning.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Cibolo
Flood activity in Cibolo is neither negligible nor at the level of the highest-exposure areas in the NFIP dataset. The 60-claim record and 100% flood zone coverage suggest a community that has experienced recurrent events but has not faced the kind of sustained, severe exposure where water-supply contamination becomes a primary public health concern. It sits in a middle range where flood history merits inclusion in any complete local water quality picture.
Cibolo has a moderate flood history with 60 FEMA claims averaging $29,870 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$2,300</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Cibolo, TX