Crescent Valley, NV (89821): No EPA Water System
No EPA-registered water system mapped - county-level context only
EPA records for the water systems mapped to 89821 in Crescent Valley, NV do not contain a complete violation count and source window. ZipCheckup does not infer a clean record from missing or partial data.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- 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: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 1 of 4 components and 1 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (4) HIGH
Other Water Quality Reports in Nevada
- 88901 (The Lakes)
- 88905 (The Lakes)
- 89001 (Alamo)
- 89002 (Henderson)
- 89003 (Beatty)
- 89004 (Blue Diamond)
- 89005 (Boulder City)
- 89006 (Boulder City)
- 89007 (Bunkerville)
- 89008 (Caliente)
- 89009 (Henderson)
- 89010 (Dyer)
- 89011 (Henderson)
- 89012 (Henderson)
- 89013 (Goldfield)
- 89014 (Henderson)
- 89015 (Henderson)
- 89016 (Henderson)
- 89017 (Hiko)
- 89018 (Indian Springs)
Nearby Water Quality Reports
- 89820 (Battle Mountain) - 24 mi
- 89822 (Carlin) - 32 mi
- 89438 (Valmy) - 39 mi
- 89802 (Elko) - 52 mi
- 89803 (Elko) - 52 mi
- 89815 (Spring Creek) - 57 mi
- 89414 (Golconda) - 60 mi
- 89801 (Elko) - 65 mi - 5 violations recorded for mapped water systems
- 89316 (Eureka) - 65 mi
- 89834 (Tuscarora) - 65 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). No EPA-registered water system is mapped to ZIP 89821. To look up the system serving a specific address, use the state SDWIS search tool.
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.
Environmental Hazards (10) MODERATE
Home & Infrastructure (5) OK
Cost & Community (7) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Crescent Valley
Based on local data for ZIP 89821, 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 89821 was built around 1983. 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 CostsWindow Replacement
The median build year of homes in Crescent Valley is 1983; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
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 89821 safe to drink?
No EPA-registered public water system is mapped to ZIP 89821, so there is no federal water quality record to assess. Residents in this area typically rely on private wells or very small systems below EPA reporting thresholds. If you rely on a private well, the CDC recommends testing it at least once a year. 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 89821's water come from?
There is no community water system directly registered with the EPA for ZIP 89821. Most residents rely on private wells drawing from groundwater, or are served by a neighboring district that isn't cross-referenced to this ZIP in federal data. Check with your local county health department to confirm your source.
How can I get my water tested in Crescent Valley?
Since no EPA-registered water utility is mapped to ZIP 89821, contact your local county health department or hire a certified lab for independent home water testing. The EPA recommends testing private wells at least once a year.
What is the radon risk for 89821?
89821 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Eureka 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). Crescent Valley, NV (89821): No EPA Water System. https://zipcheckup.com/report/89821/
@misc{zipcheckup-report-89821,
author = {{ZipCheckup}},
title = {{Crescent Valley, NV (89821): No EPA Water System}},
year = {2026},
url = {https://zipcheckup.com/report/89821/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 89821
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 89820 | Battle Mountain, NV | 24.4 mi | N/A | 0 |
| 89822 | Carlin, NV | 32.5 mi | N/A | 0 |
| 89438 | Valmy, NV | 38.8 mi | N/A | 0 |
| 89802 | Elko, NV | 51.7 mi | N/A | 0 |
| 89803 | Elko, NV | 51.7 mi | N/A | 0 |
| 89815 | Spring Creek, NV | 56.8 mi | B | 0 |
| 89414 | Golconda, NV | 60.4 mi | N/A | 0 |
| 89801 | Elko, NV | 64.5 mi | C | 5 |
| 89316 | Eureka, NV | 64.9 mi | N/A | 0 |
| 89834 | Tuscarora, NV | 65.0 mi | N/A | 0 |
Nearby ZIP Code Reports
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