CITY REPORT OH

Mount Saint Joseph, OH Water - Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
Zone 1
Radon Risk (High)
$1,200
Est. Remediation

What You Should Know About Mount Saint Joseph Water

  • Average lead level: 0.0021 mg/L.
  • Homes built before 1986: 88% - older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 13.16 - above typical levels.

Who Supplies Your Water in Mount Saint Joseph

A single utility carries the primary residential water load in Mount Saint Joseph, OH - the dominant provider across 1 federally tracked system.

Overview

We track home safety data for 1 ZIP code in Mount Saint Joseph, Ohio (population ~361), covering 1 community water system serving approximately 750,200 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.

Water Sources

Mount Saint Joseph water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0021 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 1 (High 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
45051 Cincinnati Public Water System 750,200

All ZIP Codes in Mount Saint Joseph

Data Sources

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

Health Outcomes in Mount Saint Joseph

11.4%
Asthma (US: 9.8%)
13.2%
Diabetes (US: 10.4%)
17.3%
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 11.4% ↑
Diabetes 13.2% ↑
Mental Health 17.3% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Mount Saint Joseph

1979
Median Build Year
88%
Built Before 1986
12%
Built Before 1970
Copper
Likely Pipe Material

With 88% 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

Decades of residential development in Mount Saint Joseph took place before the two main regulatory milestones that reduced plumbing-era lead risk: the phase-out of lead pipes before 1970, and the federal ban on lead solder in 1986. With a median build year of 1979, the housing stock here is anchored in that earlier period. The distinction between pre-1970 and 1970-to-1986 construction matters: the oldest homes may have lead pipes in the service line and lead solder in the copper joints, while the 1970-to-1986 tier still carries the solder risk even after lead pipes became less common. Together, these two risk layers affect a majority of the residential properties in the city - a fact the aggregate water quality data doesn't directly reveal.

1979
Median Year Built
88%
Pre-1986 (Lead Paint Risk)
12%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (12%) 1970–1986 (76%) Post-1986 (12%)

Over half of homes in Mount Saint Joseph 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.

Lead Exposure Risk for Children in Mount Saint Joseph

88%
Homes Built Before 1986
0.0021
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.

Reading the local data together points toward a structural gap that matters more here than in low-exposure communities. 88% of Mount Saint Joseph stock comes from the pre-rule era, and citywide monitoring either approaches or sits beyond the federal benchmark under Lead and Copper Rule sampling. A baseline kit fits the routine-diligence category, with certified filtration available via retailer networks where confirmed faucet results warrant additional measures.

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

Frequently Asked Questions

Does Mount Saint Joseph water have lead?
The average 90th-percentile lead level in Mount Saint Joseph is 0.0021 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 many water systems serve Mount Saint Joseph?
Mount Saint Joseph is served by 1 public water system across 1 ZIP code, serving approximately 361 people.
How much does it cost to fix water issues in Mount Saint Joseph?
Estimated remediation costs in Mount Saint Joseph average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesOhio → Mount Saint Joseph, OH

How to cite this page

APA ZipCheckup. (2026). Mount Saint Joseph, OH Water - Home Safety Score unavailable. https://zipcheckup.com/cities/oh/mount-saint-joseph/
BibTeX
@misc{zipcheckup-cities-oh-mount-saint-joseph,
  author = {{ZipCheckup}},
  title  = {{Mount Saint Joseph, OH Water - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/oh/mount-saint-joseph/}
}

Page version: August 2026.

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