CITY REPORT OH

Waterloo, OH Home Safety: Home Safety 67/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for Waterloo: C.

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

Waterloo's water quality grade in OH reflects a middle-ground assessment - service areas range from fully compliant to violation-flagged in current EPA records.

How Waterloo Compares

Waterloo67/100
Ohio avg60/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
C · 67
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$2,200
Est. Remediation

Key Facts for Waterloo Residents

  • Average lead level: 0.0013 mg/L.
  • Homes built before 1986: 42% - older plumbing may contain lead solder.
  • Estimated remediation: $2,200 per household.
  • CDC health risk index: 16.09 - above typical levels.

Waterloo's Water Providers

In Waterloo, OH, the drinking water supply is organized under a single dominant utility - a consolidated structure that shapes how infrastructure investment, regulatory compliance, and rate decisions flow to households. When one provider handles the overwhelming share of residential connections out of 1 tracked system, accountability is clear: service upgrades, EPA violation responses, and tariff changes all funnel through that single organizational structure.

Overview

We track home safety data for 1 ZIP code in Waterloo, Ohio (population ~204), covering 1 community water system serving approximately 34,942 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 Waterloo: C (67/100)

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

Waterloo water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0013 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

ZIP Code Safety Score System Population
45688 C Hecla Water Association 34,942

All ZIP Codes in Waterloo

Data Sources

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

Waterloo Community Health Snapshot

11.7%
Asthma (US: 9.8%)
15.1%
Diabetes (US: 10.4%)
19.6%
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 11.7% ↑
Diabetes 15.1% ↑
Mental Health 19.6% ↑

Vertical line = national average. Above national · Below national

Waterloo Infrastructure Age

1996
Median Build Year
42%
Built Before 1986
11%
Built Before 1970
Copper
Likely Pipe Material

With 42% 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

Some cities skew heavily toward one construction era; Waterloo does not. The median build year of 1996 reflects a housing stock where older and newer homes share the market in meaningful proportions. That mixed profile means the city carries moderate aggregate plumbing-era risk - with older homes, particularly those built before 1986, representing the portion of the stock where lead-soldered joints may still be present.

1996
Median Year Built
42%
Pre-1986 (Lead Paint Risk)
11%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (11%) 1970–1986 (31%) Post-1986 (58%)

Most homes in Waterloo were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

Waterloo: Lead Risk & Vulnerable Populations

42%
Homes Built Before 1986
0.0013
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.

If 42% of the Waterloo inventory comes from before the federal ban on lead-bearing solder - and if utility samples sit at or near 0.015 mg/L - the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.

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

Waterloo: NFIP Claim Records and Water-Quality Context

1
Total FEMA Flood Claims
$10,441
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Waterloo contains 1 flood insurance claim. Among claims with payment data, the average reported building, contents, and ICC component sum is $10,441. Among ZIP codes with claim records, 0% 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. The <strong>$2,200</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

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 Waterloo

  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 42% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

What does the Home Safety Score mean for Waterloo, OH?
Waterloo has an average Home Safety Score of 67/100 (Grade C) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Waterloo water have lead?
The average 90th-percentile lead level in Waterloo is 0.0013 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Waterloo compare to Ohio average?
Waterloo has an average Home Safety Score of 67/100, which is above the Ohio state average of 60/100 for the same model series.
How many water systems serve Waterloo?
Waterloo is served by 1 public water system across 1 ZIP code, serving approximately 204 people.
How much does it cost to fix water issues in Waterloo?
Estimated remediation costs in Waterloo average $2,200 per household, ranging from $1,200 to $3,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesOhio → Waterloo, OH

How to cite this page

APA ZipCheckup. (2026). Waterloo, OH Home Safety: Home Safety 67/100. https://zipcheckup.com/cities/oh/waterloo/
BibTeX
@misc{zipcheckup-cities-oh-waterloo,
  author = {{ZipCheckup}},
  title  = {{Waterloo, OH Home Safety: Home Safety 67/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/oh/waterloo/}
}

Page version: August 2026.

Get safety alerts for Waterloo, Ohio

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.