ZipCheckup grade for 68430: C.
A mixed picture - some signals here are worth your attention.
Your top priority: test this home for radon. Check your ZIP → EPA radon map
Roca, NE (68430): High Radon Potential Area - 67/100
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: City of Lincoln)
EPA records for the water systems mapped to 68430 in Roca, NE 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 0.0045 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.
- Flood 4 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Get updates when new water-quality data is available for your area
Free alerts when new EPA data affects ZIP code 68430. 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
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 68430 in Roca, Nebraska is mapped to the water system City of Lincoln (EPA ID: NE3110926). This system provides water to approximately 296,000 people from surface water sources.
There are 3 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| City of Lincoln, | NE3110926 | 296,000 | Surface water |
| City of Hickman, | NE3110917 | 3,300 | Groundwater |
| Lancaster Company Sid 3 - Holland | NE3110924 | 190 | Groundwater |
Other Water Quality Reports in Nebraska
- 68001 (Abie)
- 68002 (Arlington)
- 68003 (Ashland)
- 68004 (Bancroft)
- 68005 (Bellevue) - 2 violations recorded for mapped water systems
- 68007 (Bennington) - 1 violation recorded for mapped water systems
- 68008 (Blair) - 7 violations recorded for mapped water systems
- 68009 (Blair)
- 68010 (Boys Town)
- 68014 (Bruno)
- 68015 (Cedar Bluffs)
- 68016 (Cedar Creek)
- 68017 (Ceresco)
- 68018 (Colon)
- 68019 (Craig)
- 68020 (Decatur)
- 68022 (Elkhorn) - 1 violation recorded for mapped water systems
- 68023 (Fort Calhoun)
- 68025 (Fremont)
- 68026 (Fremont)
Nearby Water Quality Reports
- 68372 (Hickman) - 4 mi
- 68526 (Lincoln) - 5 mi
- 68404 (Martell) - 6 mi
- 68516 (Lincoln) - 6 mi
- 68438 (Sprague) - 6 mi
- 68512 (Lincoln) - 7 mi
- 68317 (Bennet) - 7 mi
- 68358 (Firth) - 8 mi
- 68506 (Lincoln) - 8 mi
- 68523 (Lincoln) - 8 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 Lincoln (NE3110926) 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 68430 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 (11) OK
Home & Infrastructure (6) OK
Cost & Community (8) MODERATE
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Roca
Based on local data for ZIP 68430, 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 Roca has 4 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)
Roofing Inspection & Repair
Active weather alerts in Nebraska 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 68430 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 68430 (primary system: City of Lincoln), 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 68430's water come from?
The recorded water source for City of Lincoln, a system mapped to ZIP code 68430, is Surface water. This system serves approximately 296,000 people.
How does Roca water compare to the national average?
Roca's Home Safety Score ranks lower than 65% of U.S. ZIP codes, and at or above 61% within Nebraska.
How can I get my water tested in Roca?
If City of Lincoln 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 68430 tap water?
The Lead and Copper Rule record selected for 68430 reports a 90th-percentile lead result of 0.0045 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 68430?
68430 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Lancaster County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 68430?
FEMA records contain 4 flood insurance claims filed in ZIP code 68430; the recorded rated-zone value (the most frequent one if there are several claims) is A, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Roca, NE (68430): High Radon Potential Area - 67/100. https://zipcheckup.com/report/68430/
@misc{zipcheckup-report-68430,
author = {{ZipCheckup}},
title = {{Roca, NE (68430): High Radon Potential Area - 67/100}},
year = {2026},
url = {https://zipcheckup.com/report/68430/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 68430
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 68372 | Hickman, NE | 4.1 mi | C | 0 |
| 68526 | Lincoln, NE | 5.0 mi | C | 0 |
| 68404 | Martell, NE | 5.7 mi | N/A | 0 |
| 68516 | Lincoln, NE | 6.0 mi | C | 0 |
| 68438 | Sprague, NE | 6.3 mi | N/A | 0 |
| 68512 | Lincoln, NE | 6.6 mi | C | 0 |
| 68317 | Bennet, NE | 7.0 mi | C | 0 |
| 68358 | Firth, NE | 7.8 mi | N/A | 0 |
| 68506 | Lincoln, NE | 7.9 mi | N/A | 0 |
| 68523 | Lincoln, NE | 7.9 mi | C | 0 |
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 →2026 Rankings