Lebanon, OK Water Safety: 73/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Tap water monitoring data for Lebanon shows a consistently clean picture in OK — few violations on record, compliance well above the median.
How Lebanon Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Lebanon Water
- Homes built before 1986: 69% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 16.07 — above typical levels.
Who Supplies Your Water in Lebanon
Lebanon, OK is covered by 2 major water utilities out of 2 federally tracked systems, each managing its own pipes, treatment processes, and EPA filings. What a household gets from the tap depends on which provider's system serves that address.
Overview
We track water quality and home safety data for 1 ZIP code in Lebanon, Oklahoma (population ~260), covering 2 community water systems serving approximately 19,187 people region-wide.
No EPA violations recorded across any ZIP codes in Lebanon — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Lebanon: B (73/100)
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
Lebanon water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Lebanon
- 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 |
|---|---|---|---|
| 73440 | B | Marshall County Rural Water District #2 | 17,587 |
All ZIP Codes in Lebanon
- 73440 [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 Lebanon
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 Lebanon
With 69% 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
When a city's housing median build year is 1971, as in Lebanon, the implication for water quality research is straightforward: municipal-level data captures what leaves the treatment plant, but household plumbing from before 1986 determines what actually arrives at the tap. In cities where older housing predominates, that gap between system-level and household-level data is widest.
Over half of homes in Lebanon 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 Lebanon Homeowners
At current valuations, Lebanon sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in Lebanon are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 18% above the Oklahoma average.
Lead Exposure Risk for Children in Lebanon
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.
After the federal action removing lead-bearing solder from new plumbing took effect, building practice shifted — but 69% of the Lebanon inventory predates that line. With aggregate samples near or beyond 0.015 mg/L, an in-home check moves out of the optional column into the standard list.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Lebanon
Measured across the NFIP's multi-decade tracking period, Lebanon shows a moderate flood record — 5 claims and 100% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Lebanon has a moderate flood history with 5 FEMA claims averaging $1,232 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>$1,200</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 Lebanon, OK