CITY REPORT VA

Catharpin, VA Water Safety: 63/100 (2026)

1 ZIP code · 2 water systems · Updated 2026-06-03

Based on current EPA data, Catharpin, VA reflects fair but uneven tap water safety.

How Catharpin Compares

Catharpin63/100
Virginia avg66/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
2
Water Systems
0
ZIPs with Violations
C · 63
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$1.0M
Median Home Value
$1,600
Est. Remediation (0.2% of home value)

What You Should Know About Catharpin Water

  • Homes built before 1986: 66% — older plumbing may contain lead solder.
  • Estimated remediation: $1,600 per household.
  • CDC health risk index: 11.24.

Who Supplies Your Water in Catharpin

Structurally, Catharpin, VA's water supply is divided. Federal data identifies 2 water systems in the area, with 2 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.

Pwcsa - West
Serves ~136,409 people
63
/100
MANASSAS, CITY OF
Serves ~42,696 people
63
/100

Overview

We track water quality and home safety data for 1 ZIP code in Catharpin, Virginia (population ~744), covering 2 community water systems serving approximately 179,105 people region-wide.

No EPA violations recorded across any ZIP codes in Catharpin — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Catharpin: C (63/100)

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

Catharpin water systems draw from: Surface water.

Lead & Copper

  • Lead data: not yet available for Catharpin
  • 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
20143 C Pwcsa - West 136,409

All ZIP Codes in Catharpin

Data Sources

Updated daily.

Health Outcomes in Catharpin

9.8%
Asthma (US: 9.8%)
11.4%
Diabetes (US: 10.4%)
14.9%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.8% ↓
Diabetes 11.4% ↑
Mental Health 14.9% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Catharpin

1971
Median Build Year
66%
Built Before 1986
16%
Built Before 1970
Copper
Likely Pipe Material

With 66% 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

When a city's housing median build year is 1971, as in Catharpin, the implication for water quality research is straightforward: municipal-level data captures what leaves the treatment plant, but household plumbing from before 1986 determines what actually arrives at the tap. In cities where older housing predominates, that gap between system-level and household-level data is widest.

1971
Median Year Built
66%
Pre-1986 (Lead Paint Risk)
16%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (16%) 1970–1986 (50%) Post-1986 (34%)

Over half of homes in Catharpin 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.

Cost Context: What Remediation Means for Catharpin Homeowners

At current valuations, Catharpin sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.

Median Home Value
$1.0M
Est. Remediation
$1,600
Remediation as % of home value 0.2%

Remediation costs in Catharpin are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 226% above the Virginia average.

Lead Exposure Risk for Children in Catharpin

66%
Homes Built Before 1986

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.

Even where utility-side monitoring meets Lead and Copper Rule requirements, the 66% pre-rule share in Catharpin keeps interior-plumbing variation as a household-level question that aggregate data cannot resolve.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Flood & Climate Risk in Catharpin

Flood risk in Catharpin occupies the middle ground: 1 NFIP claim and 100% of local ZIP codes within FEMA flood zones. At that level, the risk pathways connecting flooding to water quality — treatment system stress, well infiltration, distribution backflow — become relevant considerations during significant flood events, even if day-to-day water quality is unaffected by flood history.

1
Total FEMA Flood Claims
$2,505
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones

Catharpin has a moderate flood history with 1 FEMA claims averaging $2,505 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 Catharpin

  1. 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.
  2. Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. With 66% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

Is the water safe to drink in Catharpin, VA?
Catharpin has an average water safety score of 63/100 (Grade C). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Catharpin compare to Virginia average?
Catharpin has an average water safety score of 63/100, which is below the Virginia state average of 66/100.
How many water systems serve Catharpin?
Catharpin is served by 2 public water systems across 1 ZIP code, serving approximately 744 people.
How much does it cost to fix water issues in Catharpin?
Estimated remediation costs in Catharpin average $1,600 per household, ranging from $800 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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