Prague
EPA ID: OK2004101 · 2,395 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for Prague (OK2004101): 1 unresolved EPA violation on record. Unlike fully compliant utilities, Prague has 1 outstanding EPA violation for approximately 2,395 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Prague Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Prague serves a community with a median household income of $64,657 and an estimated 14,225 residents across its service area. Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Prague's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Detected Contaminants
How Prague compares to EPA limits
What This Means For You
Contaminant 2015 at 19 mg/L exceeds the EPA maximum of 0.0005 mg/L. Probable carcinogen; liver & thyroid damage, immune suppression. Consider granular activated carbon (GAC) filtration.
Atrazine at 19 mg/L exceeds the EPA maximum of 0.003 mg/L. Endocrine disruption, cardiovascular & reproductive effects. Consider granular activated carbon (GAC) filtration.
Benzene at 21 mg/L exceeds the EPA maximum of 0.005 mg/L.
Contaminant 2110 at 19 mg/L exceeds the EPA maximum of 0.005 mg/L. Leukemia & blood cancers (known carcinogen). Consider granular activated carbon (GAC) filtration.
Mercury at 2 mg/L exceeds the EPA maximum of 0.002 mg/L. Kidney damage, neurological impairment. Consider activated carbon (GAC) filtration.
Contaminant 2015 was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Oklahoma
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Prague (EPA ID: OK2004101) is a community water system in Oklahoma that serves approximately 2,395 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 536 resolved, 49 archived, 0 addressed, and 1 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| May 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| May 1, 2025 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| November 1, 2024 | Consumer Confidence Report Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Resolved |
| July 25, 2024 | Total Coliform | Non-health-based | Unaddressed (current) |
| January 1, 2024 | Contaminant 2005 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2010 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2015 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2020 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2031 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2032 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2033 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2034 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2035 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2036 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2037 | Non-health-based | Archived |
| January 1, 2024 | Atrazine | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2040 | Non-health-based | Archived |
| January 1, 2024 | Contaminant 2041 | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 2037 | Other Violation | 21 | No |
| Contaminant 2042 | Other Violation | 21 | No |
| Benzene | Organic | 21 | No |
| Contaminant 2051 | Other Violation | 21 | No |
| Contaminant 2005 | Other Violation | 19 | No |
| Contaminant 2010 | Other Violation | 19 | No |
| Contaminant 2015 | Other Violation | 19 | No |
| Contaminant 2020 | Other Violation | 19 | No |
| Contaminant 2031 | Other Violation | 19 | No |
| Contaminant 2032 | Other Violation | 19 | No |
| Contaminant 2033 | Other Violation | 19 | No |
| Contaminant 2034 | Other Violation | 19 | No |
| Contaminant 2035 | Other Violation | 19 | No |
| Contaminant 2036 | Other Violation | 19 | No |
| Atrazine | Organic | 19 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by OK or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Prague (OK2004101) on EPA.gov.
Frequently Asked Questions
Is Prague water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Prague serve?
Prague serves approximately 2,395 people across 4 ZIP codes in Oklahoma.
Where does Prague get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Prague (OK): 2 Health Violations. https://zipcheckup.com/water-system/ok2004101/
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author = {{ZipCheckup}},
title = {{Prague (OK): 2 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2004101/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Prague (EPA ID: OK2004101) - request the latest Consumer Confidence Report or ask about specific contaminants.