Cecil County, Maryland
26 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-06-03
Across Cecil County's 26 ZIP codes, water safety results are uneven — a portion of systems carry active or recent violations, while others meet standards without issues.
How Cecil County Compares
How Cecil County Compares
Cecil County scores 2 points above the Maryland state average (61/100) and 5 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Cecil County, Maryland
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.9 (asthma 10.4%, diabetes 13%)
Estimated additional annual cost per homeowner: $4,203, driven primarily by sea_level
Infrastructure: 0.364% avg pipe failure probability, 19% of ZIPs at high risk
59.6% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Cecil County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 45 violations. Past 5 years: 98 total (98 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $4,203
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
52,383 housing units in Cecil County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Cecil County
Remediation costs are relatively manageable for most homeowners in Cecil County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Cecil County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Cecil County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Town of North East | 8,600 | 46 |
| 2 | Mountain Hill Water Company | 2,154 | 35 |
| 3 | TOWN OF CHARLESTOWN | 3,791 | 28 |
| 4 | Town of Rising Sun | 2,200 | 22 |
| 5 | Pine Hills | 953 | 20 |
31 total water systems serve Cecil County.
All ZIP Codes in Cecil County
26 ZIP codes tracked in Cecil County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 21902 | Perry Point | 83 | B | 0 | — |
| 2 | 21916 | Childs | 82 | B | 2 (1 health) | — |
| 3 | 21919 | Earleville | 77 | B | 2 (1 health) | $348K |
| 4 | 21922 | Elkton | 76 | B | 7 (2 health) | — |
| 5 | 21911 | Rising Sun | 74 | B | 2 (1 health) | $314K |
| 6 | 21915 | Chesapeake City | 70 | B | 0 | $353K |
| 7 | 21904 | Port Deposit | 66 | C | 9 | $319K |
| 8 | 21921 | Elkton | 66 | C | 7 (2 health) | $296K |
| 9 | 21084 | Jarrettsville | 63 | C | 0 | $445K |
| 10 | 21132 | Pylesville | 63 | C | 0 | $512K |
| 11 | 21635 | Galena | 63 | C | 0 | $388K |
| 12 | 21653 | Newcomb | 63 | C | 0 | $531K |
| 13 | 21872 | Whaleyville | 63 | C | 0 | $386K |
| 14 | 21930 | Georgetown | 63 | C | 0 | — |
| 15 | 21901 | North East | 59 | C | 13 (8 health) | $343K |
| 16 | 21903 | Perryville | 59 | C | 15 (5 health) | $272K |
| 17 | 21913 | Cecilton | 56 | C | 7 (2 health) | $234K |
| 18 | 21652 | Neavitt | 55 | C | 0 | $516K |
| 19 | 21662 | Royal Oak | 55 | C | 0 | $708K |
| 20 | 21673 | Trappe | 55 | C | 0 | $351K |
| 21 | 21914 | Charlestown | 55 | C | 0 | $301K |
| 22 | 21918 | Conowingo | 55 | C | 0 | $294K |
| 23 | 21160 | Whiteford | 53 | D | 0 | $364K |
| 24 | 21912 | Warwick | 53 | D | 0 | $386K |
| 25 | 21917 | Colora | 53 | D | 6 (2 health) | $362K |
| 26 | 21920 | Elk Mills | 53 | D | 0 | $339K |
Recommended Buyer Guides for Cecil County
Editorial-only picks, screened against the EPA detections on file.
- Best Water Filters for Lead — Lead above EPA action level in 2 ZIP codes
- Best Lead Paint Test Kits — 59.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Cecil County, Maryland
Overview
Cecil County in Maryland covers 26 ZIP codes with an average Home Safety Score of C (63/100).
10 of 26 ZIP codes have recorded EPA violations. 24 health-based violations have been documented.
← Back to Maryland water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.