ZipCheckup grade for 89436: C.
A mixed picture - some signals here are worth your attention.
Your top priority: use a filter certified to reduce PFAS; check which ones. Check your ZIP → EPA PFAS info
Sparks, NV (89436): PFAS Above 2029 MCL Level - 66/100
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Truckee Meadows Water Authority)
EPA records for the water systems mapped to 89436 in Sparks, NV 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 is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 6 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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One critical finding sits on record for Sparks (89436), unaccompanied by high-priority items.
Score Breakdown
Overall Home Safety Score: 66/100
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 89436 in Sparks, Nevada is mapped to the water system Truckee Meadows Water Authority (EPA ID: NV0000190). This system provides water to approximately 442,000 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 |
|---|---|---|---|
| Truckee Meadows Water Authority | NV0000190 | 442,000 | Surface water |
| Great Basin Water Company Spanish Springs | NV0001086 | 1,450 | Groundwater |
| Sun Valley Gid | NV0000211 | 17,000 | Surface water |
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
- 89441 (Sparks) - 2 mi - 2 violations recorded for mapped water systems
- 89433 (Sun Valley) - 4 mi
- 89434 (Sparks) - 5 mi
- 89431 (Sparks) - 6 mi
- 89432 (Sparks) - 7 mi
- 89435 (Sparks) - 7 mi
- 89512 (Reno) - 7 mi
- 89507 (Reno) - 8 mi
- 89513 (Reno) - 9 mi
- 89504 (Reno) - 9 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Truckee Meadows Water Authority (NV0000190) on EPA.gov.
3 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 89436. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.
Detected compounds: PFOS, PFHxS, PFPeA, PFHxA, PFBA, PFBS, PFOA, PFHpA.
Highest measured level: 0.02 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) OK
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 Sparks
Based on local data for ZIP 89436, 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 Sparks has 6 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)
Service 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 89436 safe to drink?
EPA SDWIS records 2 violations since 2021 across the water systems mapped to ZIP 89436 (primary system: Truckee Meadows Water Authority), 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 89436's water come from?
The recorded water source for Truckee Meadows Water Authority, a system mapped to ZIP code 89436, is Surface water. This system serves approximately 442,000 people.
How does Sparks water compare to the national average?
Sparks's Home Safety Score ranks lower than 71% of U.S. ZIP codes, and lower than 93% of ZIP codes within Nevada.
How can I get my water tested in Sparks?
If Truckee Meadows Water Authority 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.
What is the radon risk for 89436?
89436 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Washoe 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 89436's water?
Yes, PFAS have been detected in samples from water systems mapped to 89436. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. 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 89436?
FEMA records contain 6 flood insurance claims filed in ZIP code 89436; the recorded rated-zone value (the most frequent one if there are several claims) is X, 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). Sparks, NV (89436): PFAS Above 2029 MCL Level - 66/100. https://zipcheckup.com/report/89436/
@misc{zipcheckup-report-89436,
author = {{ZipCheckup}},
title = {{Sparks, NV (89436): PFAS Above 2029 MCL Level - 66/100}},
year = {2026},
url = {https://zipcheckup.com/report/89436/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 89436
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 89441 | Sparks, NV | 2.3 mi | C | 2 |
| 89433 | Sun Valley, NV | 4.2 mi | C | 0 |
| 89434 | Sparks, NV | 5.3 mi | N/A | 0 |
| 89431 | Sparks, NV | 6.1 mi | C | 0 |
| 89432 | Sparks, NV | 6.8 mi | N/A | 0 |
| 89435 | Sparks, NV | 6.8 mi | N/A | 0 |
| 89512 | Reno, NV | 7.2 mi | C | 0 |
| 89507 | Reno, NV | 8.2 mi | N/A | 0 |
| 89513 | Reno, NV | 8.6 mi | N/A | 0 |
| 89504 | Reno, NV | 8.8 mi | N/A | 0 |
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