Ridge, MD Water Safety: 55/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
The systems supplying Ridge vary in performance across MD benchmarks — most meet minimum federal standards, but documented violations in select areas are on record.
How Ridge Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Ridge Residents
- Homes built before 1986: 97% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 12.51 — above typical levels.
Ridge's Water Providers
Ridge, MD draws its water from one primary utility across 1 tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Ridge, Maryland, covering 1 community water system serving approximately 702 people.
No EPA violations recorded across any ZIP codes in Ridge — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Ridge: C (55/100)
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
Ridge water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Ridge
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 20680 | C | LORD CALVERT TRAILER PARK | 892 |
All ZIP Codes in Ridge
- 20680 [C]
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.
Ridge 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
Ridge Infrastructure Age
With 97% 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
Ridge's housing stock is predominantly older, with a median build year of 1958 that reflects decades of construction before federal plumbing standards were tightened. The 1986 ban on lead solder and the pre-1970 era of lead service lines are both relevant benchmarks here — a significant share of the residential inventory predates one or both of those cutoffs, creating an elevated baseline for plumbing-related lead risk that aggregate water quality data may not fully reflect at the household level.
Over half of homes in Ridge 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 Ridge
How much of a Ridge home's value does documented remediation represent? A small fraction — the equity share here is in the low tier, and from a household financial perspective, most property owners are considering a commitment that fits comfortably within standard planning rather than a decision that rises to the level of a material budget event or significant equity consideration.
Remediation costs in Ridge are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 8% below the Maryland average.
Ridge: 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.
97% of Ridge housing dates to the pre-rule era, alongside aggregate readings hovering at the federal action mark — household-level confirmation through a draw-test kit fits the local picture.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Ridge: Flood History & Water Damage Risk
FEMA data shows 100% of Ridge's ZIP codes mapped into designated flood zones, paired with an NFIP record of 20 claims. That footprint places local flood exposure in the range where it warrants attention without rising to high-severity planning territory.
Ridge has a moderate flood history with 20 FEMA claims averaging $9,575 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>$1,600</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 Ridge
- 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. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 97% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Ridge, MD