Guilderland, NY: 3 Health Violations — 59/100 (2026)
1 ZIP code · 5 water systems · Updated 2026-06-03
Guilderland's water quality grade in NY reflects a middle-ground assessment — service areas range from fully compliant to violation-flagged in current EPA records.
How Guilderland Compares
Data: EPA SDWIS Last verified: 2026-06-03
Guilderland Water: The Quick Version
- Your city's water systems recorded 21 violations in the past 5 years.
- Average lead level: 0.0028 mg/L.
- Homes built before 1986: 80% — older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 11.17.
Water Systems Serving Guilderland
Water supply in Guilderland, NY follows a divided structure: 3 utilities account for the largest share of residential service out of 5 total systems, each managing its own distribution network and EPA reporting. Because these systems operate independently, rate decisions and compliance outcomes are determined separately.
Overview
We track water quality and home safety data for 1 ZIP code in Guilderland, New York (population ~5,054), covering 5 community water systems serving approximately 30,685 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 3 health-based violations documented.
Home Safety Score
Average Home Safety Score for Guilderland: C (59/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Guilderland water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0028 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 16 | 1 |
| Cadmium | Inorganic | 4 | 1 |
| Contaminant 2829 | Other | 4 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 4 | 1 |
| Contaminant 2049 | Other | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 12084 | C | 21 | 3 | Guilderland Town Water District |
All ZIP Codes in Guilderland
- 12084 [C] — 21 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
CDC Health Data for Guilderland
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Key Contaminants Detected in Guilderland
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Guilderland's Housing Stock?
With 80% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
While newer cities carry lower aggregate plumbing risk from lead-era construction, Guilderland sits firmly in the older category. The median build year of 1975 indicates that more than half the housing stock was built before 1986, when lead solder was still legally used in residential copper plumbing — and a substantial portion likely predates 1970, when lead pipes were still commonly installed for service lines. These two thresholds together define the elevated plumbing risk environment that older housing cities carry, independent of what the municipal water supply delivers to the meter.
Over half of homes in Guilderland were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Guilderland: Remediation Cost in Perspective
When estimated remediation is placed alongside median property values in Guilderland, the resulting ratio is low — a finding consistent with a household financial perspective where documented issues can be addressed without a meaningful impact on overall equity position, making this market one of the more favorable contexts for remediation planning.
Remediation costs in Guilderland are relatively low compared to home values. The $1,100–$3,000 estimated range is a small fraction of median property value. Home values are 10% below the New York average.
Protecting Children from Lead in Guilderland
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Locally, 80% of Guilderland homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Guilderland
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Consumer Confidence Report Rule can reduce the most common contaminant found in Guilderland's water.
- Check your home's plumbing. With 80% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Guilderland, NY