ZipCheckup grade for 06779: B.

This ZIP has a few items worth a quick check.

Your top priority: have older plumbing checked for lead solder. Check your ZIP → EPA: reduce lead

Water Quality Report
B 78

Oakville, CT (06779): 14 Violations Recorded for Mapped Water Systems - 78/100

EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Watertown Water & Sewer Authority)

EPA records for the water systems mapped to 06779 in Oakville, CT contain 14 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score
B 78/100
Water Quality Concerns 14 non-health-based violation records in EPA data
Lead Risk Below action level 0.002 mg/L, 90th percentile, sample period ending 2024-12-31
NFIP Claim History Claim records 33 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 14 violations (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.002 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
  • Flood 33 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Violations on record (not health-based)
14 violations
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
B
ZIP-level Home Safety model score: 78 / 100
Home Safety Score higher than 58% of ZIP codes nationwide
3
Water Systems
9,972
People Served
0
Health Violations (since 2021)
Surface water
Water Source
0.002 mg/L
Reported Lead Result
Zone 2
County Radon Potential · Moderate
$248K
Median Home Value29% below state median ($349K)

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Score Breakdown

Overall Home Safety Score: 78/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
66/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
83/100
Indoor environment
50/100
Outdoor environment
100/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (6) HIGH

Your Water System

ZIP code 06779 in Oakville, Connecticut is mapped to the water system Watertown Water & Sewer Authority (EPA ID: CT1530021). This system provides water to approximately 9,972 people from surface water sources.

There are 3 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Watertown Water & Sewer Authority CT1530021 9,972 Surface water
Waterbury Water Department CT1510011 107,271 Surface water
Watertown Fire District CT1530011 6,718 Groundwater

Other Water Quality Reports in Connecticut

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Watertown Water & Sewer Authority (CT1530021) on EPA.gov.

5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 06779 show no PFAS detections among the compounds tested, at the program's reporting levels.

The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.

📊 EPA UCMR5 · View source →
Environmental Hazards (10) HIGH
Home & Infrastructure (8) MODERATE

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Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Oakville

Based on local data for ZIP 06779, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

The ZIP code for this report in Oakville has 33 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Gutter Installation & Repair

The median home in 06779 was built around 1966. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Oakville is 1966; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1966 may be on their second or third roof. A professional inspection can catch damage before leaks start.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 06779 safe to drink?

EPA SDWIS records 14 violations since 2021 across the water systems mapped to ZIP 06779 (primary system: Watertown Water & Sewer Authority), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 06779's water come from?

The recorded water source for Watertown Water & Sewer Authority, a system mapped to ZIP code 06779, is Surface water. This system serves approximately 9,972 people.

How does Oakville water compare to the national average?

Oakville's Home Safety Score ranks better than 58% of U.S. ZIP codes, and at or above 71% within Connecticut.

How can I get my water tested in Oakville?

If Watertown Water & Sewer Authority supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 06779 tap water?

The Lead and Copper Rule record selected for 06779 reports a 90th-percentile lead result of 0.002 mg/L for a water system mapped to this ZIP (record date 2024-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 06779?

06779 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Litchfield County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

What does the NFIP claim history show for ZIP 06779?

FEMA records contain 33 flood insurance claims filed in ZIP code 06779; the recorded rated-zone value (the most frequent one if there are several claims) is A, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Oakville, CT (06779): 14 Violations Recorded for Mapped Water Systems - 78/100. https://zipcheckup.com/report/06779/
BibTeX 
@misc{zipcheckup-report-06779,
  author = {{ZipCheckup}},
  title  = {{Oakville, CT (06779): 14 Violations Recorded for Mapped Water Systems - 78/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/06779/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 06779

ZIP Code City, State Distance Grade Violations
06795 Watertown, CT 2.1 mi B 18
06710 Waterbury, CT 2.6 mi N/A 6
06701 Waterbury, CT 2.9 mi N/A 0
06703 Waterbury, CT 2.9 mi N/A 0
06720 Waterbury, CT 2.9 mi N/A 0
06721 Waterbury, CT 2.9 mi N/A 0
06722 Waterbury, CT 2.9 mi N/A 0
06723 Waterbury, CT 2.9 mi N/A 0
06724 Waterbury, CT 2.9 mi N/A 0
06725 Waterbury, CT 2.9 mi N/A 0

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Coverage: 15/17 risk factors Data sources →
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