CITY REPORT ME

Caribou, ME: 2 Violations - Home Safety 66/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for Caribou: C.

A mixed picture - some signals here are worth your attention.

Within Caribou, the records summarized for ME produce a C grade - a middle reading that calls for checking the specific system at your address.

How Caribou Compares

Caribou66/100
Maine avg65/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs Linked to Systems with Violations
C · 66
Avg Safety Score
Zone 1
County Radon Potential (High)
$125K
Median Home Value

What You Should Know About Caribou Water

  • Your city's water systems recorded 2 violations since 2021.
  • Homes built before 1986: 76% - older plumbing may contain lead solder.
  • Health risk index (ZipCheckup composite of CDC data): 16.17.

Who Supplies Your Water in Caribou

Federal drinking water data connect ZIP codes in Caribou, ME to a count of 1 system, and the list on this page shows one of them. A listing reflects that link, not proof of which system serves a given street.

Overview

We track home safety data for 1 ZIP code in Caribou, Maine, covering 1 community water system serving approximately 9,107 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.

Home Safety Score

Average Home Safety Score for Caribou: C (66/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Caribou water systems draw from: Groundwater.

Lead & Copper

  • Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

1 of 1 ZIP records with known zones is in EPA Radon Zone 1.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Diquat Organic 2 1
Consumer Confidence Rule Reporting 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
04736 C 2 0 Caribou Utilities District

All ZIP Codes in Caribou

  • 04736 [C] - 2 violations

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Health Outcomes in Caribou

13.4%
Asthma (US: 9.8%)
14.8%
Diabetes (US: 10.4%)
18.3%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 13.4% ↑
Diabetes 14.8% ↑
Mental Health 18.3% ↑

Vertical line = national average. ■ Above national · ■ Below national

Top Contaminants in Caribou Water

Diquat 2 violations
Organic
Consumer Confidence Rule 2 violations
Reporting

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Housing & Infrastructure in Caribou

1964
Median Build Year
76%
Built Before 1986
53%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 76% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Plumbing risk in older housing is tied to the period before 1986, when lead pipes and lead solder were still permitted in new plumbing. Caribou's median build year is 1964, and properties from before that year might still contain lead-bearing joints or pipes. Much of that risk sits inside individual properties, which city-level water quality averages don't capture.

1964
Median Year Built
76%
Pre-1986 (lead solder era; lead paint banned 1978)
53%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (53%) 1970–1986 (23%) Post-1986 (24%)

Over half of homes in Caribou were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Lead Exposure Risk for Children in Caribou

76%
Homes Built Before 1986

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.

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

Historical NFIP Claim Context in Caribou

10
Total FEMA Flood Claims
$1,578
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Caribou contains 10 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $1,578. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

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.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

What You Can Do in Caribou

  1. Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
  2. Install a certified water filter. For Diquat, listed in the water-quality records for Caribou: if it is a rule or reporting requirement rather than a contaminant, ask your utility what the record involved; for bacteria, follow any boil-water notice from your utility; for a specific chemical contaminant, check whether a filter is certified to reduce it. Not every contaminant has a consumer filter certification.
  3. Check your home's plumbing. With 76% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

What does the Home Safety Score mean for Caribou, ME?
Caribou has an average Home Safety Score of 66/100 (Grade C) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. 2 violations appear in EPA records for water systems mapped to these ZIP codes. Check individual ZIP code reports for component details.
How many violations are on record for water systems serving Caribou?
EPA records list 2 EPA violations for Caribou water systems. These water-system violations are shown for 1 mapped ZIP code.
How does Caribou compare to Maine average?
Caribou has an average Home Safety Score of 66/100, which is at or above the Maine state average of 65/100 for the same model series.
How many water systems serve Caribou?
Our records map 1 water system to 1 ZIP code in Caribou. The related population figure in our data is approximately 9,107 people; it is not a count of people served citywide.
Home → Cities → Maine → Caribou, ME

How to cite this page

APA ZipCheckup. (2026). Caribou, ME: 2 Violations - Home Safety 66/100. https://zipcheckup.com/cities/me/caribou/
BibTeX
@misc{zipcheckup-cities-me-caribou,
  author = {{ZipCheckup}},
  title  = {{Caribou, ME: 2 Violations - Home Safety 66/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/me/caribou/}
}

Page version: October 2026.

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