Shamokin Dam Borough
EPA ID: PA4550022 · 1,700 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Shamokin Dam Borough (PA4550022): 7 EPA violations in the last five years. Dating back across the full five-year EPA tracking window, Shamokin Dam Borough encountered 7 violations, each subsequently remedied and closed - today the utility meets all federal drinking water requirements for the 1,700 residents in its service area and holds no open enforcement actions.
Data: EPA SDWIS
Service Area Map
Coverage area for Shamokin Dam Borough Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Shamokin Dam Borough serves a community with a median household income of $76,378 and an estimated 19,284 residents across its service area. Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Shamokin Dam Borough's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
Detected Contaminants
How Shamokin Dam Borough compares to EPA limits
What This Means For You
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Gross Alpha at 1 pCi/L exceeds the EPA maximum of pCi/L. Increased cancer risk from radioactive particles. Consider reverse osmosis filtration.
Radium-226 at 1 pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L) exceeds the EPA maximum of pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L). Bone cancer and leukemia (known carcinogen). Consider ion exchange (water softener) filtration.
Radium-228 at 1 pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L) exceeds the EPA maximum of pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L). Bone cancer and leukemia (known carcinogen). Consider ion exchange (water softener) filtration.
Total Trihalomethanes (TTHM) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
Shamokin Dam Borough (EPA ID: PA4550022) is a community water system in Pennsylvania that serves approximately 1,700 people from surface water sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 7 resolved, 0 archived, 0 addressed, and 0 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 |
|---|---|---|---|
| April 1, 2025 | E. coli | Non-health-based | Resolved |
| October 1, 2024 | Gross Alpha | Non-health-based | Resolved |
| October 1, 2024 | Radium-226 | Non-health-based | Resolved |
| October 1, 2024 | Radium-228 | Non-health-based | Resolved |
| April 1, 2023 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| October 1, 2021 | Combined Radium | Non-health-based | Resolved |
| July 1, 2021 | Chlorite | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Chlorite | Disinfection Byproducts | 1 | No |
| Gross Alpha | Radionuclides | 1 | No |
| Combined Radium | Radionuclides | 1 | No |
| Radium-226 | Radionuclides | 1 | No |
| Radium-228 | Radionuclides | 1 | No |
| E. coli | Microbiological | 1 | No |
Lead & Copper
No reported lead measurement appears for this PWSID in the accepted LCR snapshot. Absence of a reported measurement is not a measured zero.
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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 PA 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 Shamokin Dam Borough (PA4550022) on EPA.gov.
Frequently Asked Questions
Is Shamokin Dam Borough water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Shamokin Dam Borough; its 7 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Shamokin Dam Borough serve?
Shamokin Dam Borough serves approximately 1,700 people across 3 ZIP codes in Pennsylvania.
Where does Shamokin Dam Borough get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Shamokin Dam Borough (PA): 7 EPA Violations. https://zipcheckup.com/water-system/pa4550022/
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title = {{Shamokin Dam Borough (PA): 7 EPA Violations}},
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url = {https://zipcheckup.com/water-system/pa4550022/}
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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
Shamokin Dam Borough (EPA ID: PA4550022) - request the latest Consumer Confidence Report or ask about specific contaminants.