Cardin, OK Water Safety: 73/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Cardin tap water earns a high safety grade — above-average compliance with OK and federal standards.
How Cardin Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Cardin Residents
- Estimated remediation: $1,200 per household.
- CDC health risk index: 16.17 — above typical levels.
Cardin's Water Providers
Water service in Cardin, OK is organized around a single utility — one of 1 tracked by regulator, and the one that manages the local distribution network while holding primary responsibility for EPA compliance reporting.
Overview
We track water quality and home safety data for 1 ZIP code in Cardin, Oklahoma, covering 1 community water system serving approximately 2,645 people.
No EPA violations recorded across any ZIP codes in Cardin — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Cardin: 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
Cardin water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Cardin
- 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 |
|---|---|---|---|
| 74335 | B | COMMERCE | 2,645 |
All ZIP Codes in Cardin
- 74335 [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.
Cardin Community Health Snapshot
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
Cardin: Flood History & Water Damage Risk
4 FEMA flood insurance claims are on file for Cardin, and 100% of local ZIP codes fall within federally designated flood zones — enough to put flood exposure on the planning radar, though short of the concentrated-risk threshold where treatment-system vulnerability becomes a primary consideration.
Cardin has a moderate flood history with 4 FEMA claims averaging $10,267 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 Cardin, OK