ZipCheckup grade for 58521: C.
A mixed picture - some signals here are worth your attention.
Your top priority: have older plumbing checked for lead solder. Check your ZIP → EPA: reduce lead
Baldwin, ND (58521): High Radon Potential Area - 67/100
EPA data for City of Bismarck
EPA records for the water systems mapped to 58521 in Baldwin, ND contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result of 0.0028 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
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Score Breakdown
Overall Home Safety Score: 67/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) HIGH
Your Water System
ZIP code 58521 in Baldwin, North Dakota is mapped to the water system City of Bismarck (EPA ID: ND0800080). This system provides water to approximately 72,417 people from surface water sources.
Other Water Quality Reports in North Dakota
- 58001 (Abercrombie)
- 58002 (Absaraka)
- 58004 (Amenia)
- 58005 (Argusville)
- 58006 (Arthur)
- 58007 (Ayr)
- 58008 (Barney)
- 58009 (Blanchard)
- 58011 (Buffalo)
- 58012 (Casselton)
- 58013 (Cayuga)
- 58015 (Christine)
- 58016 (Clifford)
- 58017 (Cogswell) - 1 violation recorded for mapped water systems
- 58018 (Colfax)
- 58021 (Davenport)
- 58027 (Enderlin) - 1 violation recorded for mapped water systems
- 58029 (Erie)
- 58030 (Fairmount)
- 58031 (Fingal)
Nearby Water Quality Reports
- 58502 (Bismarck) - 6 mi
- 58503 (Bismarck) - 8 mi
- 58505 (Bismarck) - 10 mi
- 58501 (Bismarck) - 10 mi
- 58506 (Bismarck) - 10 mi
- 58507 (Bismarck) - 10 mi
- 58554 (Mandan) - 11 mi
- 58558 (Menoken) - 14 mi
- 58579 (Wilton) - 15 mi
- 58504 (Bismarck) - 16 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Bismarck (ND0800080) on EPA.gov.
4 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.
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 58521 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.
Environmental Hazards (10) MODERATE
Home & Infrastructure (6) OK
Cost & Community (8) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Baldwin
Based on local data for ZIP 58521, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Gutter Installation & Repair
The median home in 58521 was built around 1987. 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 CostsService 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 58521 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 58521 (primary system: City of Bismarck), 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 58521's water come from?
The recorded water source for City of Bismarck, a system mapped to ZIP code 58521, is Surface water. This system serves approximately 72,417 people.
How does Baldwin water compare to the national average?
Baldwin's Home Safety Score ranks lower than 65% of U.S. ZIP codes, and lower than 73% of ZIP codes within North Dakota.
How can I get my water tested in Baldwin?
If City of Bismarck 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 58521 tap water?
The Lead and Copper Rule record selected for 58521 reports a 90th-percentile lead result of 0.0028 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 58521?
58521 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Burleigh County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
How to cite this page
ZipCheckup. (2026). Baldwin, ND (58521): High Radon Potential Area - 67/100. https://zipcheckup.com/report/58521/
@misc{zipcheckup-report-58521,
author = {{ZipCheckup}},
title = {{Baldwin, ND (58521): High Radon Potential Area - 67/100}},
year = {2026},
url = {https://zipcheckup.com/report/58521/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 58521
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 58502 | Bismarck, ND | 5.9 mi | N/A | 0 |
| 58503 | Bismarck, ND | 8.0 mi | C | 0 |
| 58505 | Bismarck, ND | 9.6 mi | N/A | 0 |
| 58501 | Bismarck, ND | 10.1 mi | C | 0 |
| 58506 | Bismarck, ND | 10.1 mi | N/A | 0 |
| 58507 | Bismarck, ND | 10.1 mi | N/A | 0 |
| 58554 | Mandan, ND | 11.0 mi | N/A | 0 |
| 58558 | Menoken, ND | 14.3 mi | N/A | 0 |
| 58579 | Wilton, ND | 15.0 mi | N/A | 0 |
| 58504 | Bismarck, ND | 16.5 mi | C | 0 |
Nearby ZIP Code Reports
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Overall safety breakdown
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