ZipCheckup grade for 63010: B.
This ZIP has a few items worth a quick check.
Your top priority: review your flood insurance coverage. Check your ZIP → FloodSmart
Arnold, MO (63010): 2 Violations Recorded for Mapped Water Systems - 83/100
EPA data combined for 5 water systems mapped to this ZIP (largest mapped system: Jefferson County Pwsd 1)
EPA records for the water systems mapped to 63010 in Arnold, MO contain 2 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 2 violations (non-health) (since 2021).
- Lead The reported 90th-percentile lead result of 0.0073 mg/L is below the EPA action level, but EPA's health goal for lead is zero; filtration is advisable.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 1,217 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
Get updates when new water-quality data is available for your area
Free alerts when new EPA data affects ZIP code 63010. No spam - just safety updates.
Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.
See incorrect data? Let us know
For Arnold (63010), this report lists 1 elevated-risk finding and none in its critical tier.
Score Breakdown
Overall Home Safety Score: 83/100
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 (8) HIGH
Your Water System
ZIP code 63010 in Arnold, Missouri is mapped to the water system Jefferson County Pwsd 1 (EPA ID: MO6024292). This system provides water to approximately 21,113 people from surface water sources.
There are 5 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Jefferson County Pwsd 1 | MO6024292 | 21,113 | Surface water |
| Jefferson Company Cons Pwsd C 1 | MO6024295 | 37,000 | Surface water |
| Jefferson County Pwsd 3 | MO6024294 | 17,000 | Surface water |
| Mo American St Louis St Charles Counties | MO6010716 | 1,111,000 | Surface water |
| Jefferson County Pwsd 10 | MO6024302 | 10,000 | Surface water |
Other Water Quality Reports in Missouri
- 63005 (Chesterfield) - 3 violations recorded for mapped water systems
- 63006 (Chesterfield)
- 63011 (Ballwin) - 1 violation recorded for mapped water systems
- 63012 (Barnhart) - 11 violations recorded for mapped water systems
- 63013 (Beaufort) - 6 violations recorded for mapped water systems
- 63014 (Berger) - 3 violations recorded for mapped water systems
- 63015 (Catawissa) - 4 violations recorded for mapped water systems
- 63016 (Cedar Hill) - 6 violations recorded for mapped water systems
- 63017 (Chesterfield)
- 63019 (Crystal City) - 7 violations recorded for mapped water systems
- 63020 (De Soto) - 9 violations recorded for mapped water systems
- 63021 (Ballwin) - 4 violations recorded for mapped water systems
- 63022 (Ballwin)
- 63023 (Dittmer) - 1 violation recorded for mapped water systems
- 63024 (Ballwin)
- 63025 (Eureka) - 6 violations recorded for mapped water systems
- 63026 (Fenton) - 5 violations recorded for mapped water systems
- 63028 (Festus) - 15 violations recorded for mapped water systems
- 63030 (Fletcher)
- 63031 (Florissant)
Nearby Water Quality Reports
- 63052 (Imperial) - 3 mi - 8 violations recorded for mapped water systems
- 63129 (Saint Louis) - 4 mi
- 63128 (Saint Louis) - 4 mi
- 63053 (Kimmswick) - 5 mi
- 63057 (Liguori) - 6 mi
- 63012 (Barnhart) - 7 mi - 11 violations recorded for mapped water systems
- 63026 (Fenton) - 7 mi - 5 violations recorded for mapped water systems
- 63127 (Saint Louis) - 7 mi
- 63125 (Saint Louis) - 8 mi - 8 violations recorded for mapped water systems
- 63049 (High Ridge) - 8 mi - 49 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Jefferson County Pwsd 1 (MO6024292) on EPA.gov.
5 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.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 63010.
Detected compounds: PFBA.
Highest measured level: 0.0051 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) HIGH
Home & Infrastructure (6) MODERATE
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Arnold
Based on local data for ZIP 63010, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Arnold has 1,217 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 63010 was built around 1988. 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 CostsRoofing Inspection & Repair
Active weather alerts in Missouri increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService 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 63010 safe to drink?
EPA SDWIS records 2 violations since 2021 across the water systems mapped to ZIP 63010 (primary system: Jefferson County Pwsd 1), 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 63010's water come from?
The recorded water source for Jefferson County Pwsd 1, a system mapped to ZIP code 63010, is Surface water. This system serves approximately 21,113 people.
How does Arnold water compare to the national average?
Arnold's Home Safety Score ranks better than 67% of U.S. ZIP codes, and at or above 85% within Missouri.
How can I get my water tested in Arnold?
If Jefferson County Pwsd 1 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 63010 tap water?
The Lead and Copper Rule record selected for 63010 reports a 90th-percentile lead result of 0.00725 mg/L for a water system mapped to this ZIP (record date 2025-12-31). 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 63010?
63010 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Jefferson County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 63010's water?
Yes, PFAS have been detected in samples from water systems mapped to 63010. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 63010?
FEMA records contain 1217 flood insurance claims filed in ZIP code 63010; the recorded rated-zone value (the most frequent one if there are several claims) is A20, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Arnold, MO (63010): 2 Violations Recorded for Mapped Water Systems - 83/100. https://zipcheckup.com/report/63010/
@misc{zipcheckup-report-63010,
author = {{ZipCheckup}},
title = {{Arnold, MO (63010): 2 Violations Recorded for Mapped Water Systems - 83/100}},
year = {2026},
url = {https://zipcheckup.com/report/63010/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 63010
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 63052 | Imperial, MO | 3.2 mi | B | 8 |
| 63129 | Saint Louis, MO | 3.7 mi | B | 0 |
| 63128 | Saint Louis, MO | 4.2 mi | B | 0 |
| 63053 | Kimmswick, MO | 4.7 mi | N/A | 0 |
| 63057 | Liguori, MO | 6.2 mi | N/A | 0 |
| 63012 | Barnhart, MO | 6.5 mi | B | 11 |
| 63026 | Fenton, MO | 6.6 mi | B | 5 |
| 63127 | Saint Louis, MO | 7.3 mi | B | 0 |
| 63125 | Saint Louis, MO | 7.8 mi | B | 8 |
| 63049 | High Ridge, MO | 8.2 mi | B | 49 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
Home Safety Score →Find the right water filter
Water Filter Matcher →Compare filters, tests & services
Compare My Options →Compare with another ZIP
Compare Tool →