Tap water monitoring data for Hannibal shows a consistently clean picture in NY - few violations on record, compliance well above the median.

Data: EPA SDWIS

Overview

We track home safety data for 1 ZIP code in Hannibal, New York (population ~4,471), covering 1 community water system serving approximately 350,000 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Hannibal: B (83/100)

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

Hannibal water systems draw from: Surface water.

Lead & Copper

• Average lead level (90th percentile): 0.0070 mg/L (EPA action level: 0.015 mg/L)
• 0 of 1 ZIP code with known status 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

All ZIP Codes in Hannibal

• 13074 [B]

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

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

Housing Age Profile

For residents trying to assess tap water risk in Hannibal, the median build year of 1988 is the starting context. It signals that a majority of homes were constructed before 1986 - the year federal rules prohibited lead solder in new plumbing - and that a significant share likely predates 1970, when lead pipes were still a common choice for residential service connections. Neither risk tier is rare in this housing inventory.

1988

Median Year Built

63%

Pre-1986 (Lead Paint Risk)

32%

Pre-1970 (Lead Pipes Risk)

Pre-1970 (32%) 1970–1986 (31%) Post-1986 (37%)

Over half of homes in Hannibal 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 Hannibal

Placing remediation in the context of Hannibal's property market, the equity share is low - most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.

Median Home Value

$137,300

Est. Remediation

$900

Remediation as % of home value 0.7%

Remediation costs in Hannibal are relatively low compared to home values. The $300–$1,600 estimated range is a small fraction of median property value. Home values are 62% below the New York average.

Hannibal: Lead Risk & Vulnerable Populations

63%

Homes Built Before 1986

0.007

mg/L Avg Lead (Limit: 0.015)

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.

Before the federal solder ban, lead solder was a routine plumbing material, and 63% of the Hannibal inventory was built in that earlier era - a share large enough to move household-level reads onto the standard list.

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