Copan, OK: 21 Health Violations — 68/100 (2026)
1 ZIP code · 4 water systems · Updated 2026-06-03
Copan shows moderate tap water quality for OK — some areas carry documented EPA violations while others meet standards without issues.
How Copan Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Copan Residents
- Your city's water systems recorded 56 violations in the past 5 years.
- Average lead level: 0.0058 mg/L.
- Homes built before 1986: 71% — older plumbing may contain lead solder.
- Estimated remediation: $3,100 per household.
- CDC health risk index: 16.16 — above typical levels.
Copan's Water Providers
Multiple utilities divide Copan, OK's water service — 3 leading providers among 4 on the federal register.
Overview
We track water quality and home safety data for 1 ZIP code in Copan, Oklahoma (population ~1,710), covering 4 community water systems serving approximately 5,623 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 21 health-based violations documented.
Home Safety Score
Average Home Safety Score for Copan: C (68/100)
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
Copan water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0058 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)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Fecal Coliform | Microbiological | 42 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 28 | 1 |
| Lead and Copper Rule | Treatment Technique | 12 | 1 |
| E. coli | Microbiological | 8 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 74022 | C | 56 | 21 | Dewey Public Works Authority |
All ZIP Codes in Copan
- 74022 [C] — 56 violations ⚠
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.
Copan 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
What's in Copan's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Copan Infrastructure Age
With 71% 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
The character of Copan's housing stock is one of deep historical layering — a median build year of 1978 signals a city built largely before the plumbing era changes of 1986 and 1970. Lead-soldered copper joints and, in the oldest properties, lead service lines are commonly present in this inventory. That context shapes what individual water testing may reveal, particularly in neighborhoods where the oldest housing is concentrated.
Over half of homes in Copan 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.
How Remediation Costs Compare in Copan
Because estimated remediation claims a substantial fraction of typical Copan property equity, the household financial perspective here requires serious advance planning — the cost-to-value ratio is in the elevated tier and warrants structured preparation.
At 2.7% of home value, remediation costs in Copan represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $2,100–$5,500. Home values here are 20% below the Oklahoma average.
Copan: Lead Risk & Vulnerable Populations
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.
71% — that captures the slice of Copan housing dating from before the federal ban on solder containing lead. It pairs with aggregate utility readings that either approach or cross 0.015 mg/L, the benchmark set under the EPA Lead and Copper Rule. Together, the two figures shift one-home reads into a standard household-level confirmation, particularly for families with kids. A certified lead-removal filter is available through retailer-verified channels if a kit returns results that warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Copan: Flood History & Water Damage Risk
How does Copan's flood record connect to local water quality? The NFIP documents 6 claims — enough to signal recurring events — and 100% of ZIP codes carry FEMA flood zone status. That combination places flooding in the category of factors that can periodically affect water infrastructure, even if the area isn't among the highest-exposure communities in the NFIP dataset.
Copan has a moderate flood history with 6 FEMA claims averaging $54,981 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>$3,100</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.
What You Can Do in Copan
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Fecal Coliform can reduce the most common contaminant found in Copan's water.
- Check your home's plumbing. With 71% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Copan, OK