Green Oaks Tap Water Quality Report
Green Oaks's water has 3 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
No single water system serves most of Green Oaks (4,107 residents, Census 2024 estimate). Its large systems are GREEN OAKS (EPA counts 1,470 people served, about 36% of Green Oaks's population); WILDWOOD SUBDIVISION - LAKE CO PW (EPA counts 13,965 people served, more than Green Oaks's population). EPA's counts may include people served outside Green Oaks, so each share is at most that. Check which one bills you: each system's figures are shown separately below.
- GREEN OAKS: 15 contaminants tested, 3 above EPA MCLGs; health-based violations since 2020: 0
- WILDWOOD SUBDIVISION - LAKE CO PW: 43 contaminants tested, 3 above EPA MCLGs; health-based violations since 2020: 0
Other systems listed for Green Oaks with results above guidelines: WILDWOOD SUBDIVISION - LAKE CO PW (3 above guidelines)
Water systems
2 large systems
Residents (Census 2024)
4,107
Health-based violations since 2020
0
GREEN OAKS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jul 2025 · GREEN OAKS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Green Oaks Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Green Oaks's water has 3 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
GREEN OAKS, Green Oaks's water system, serves 1,470 people. 1 other system is listed for Green Oaks. Each system's results are listed under its own name, never added to GREEN OAKS's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for GREEN OAKS is from Jul 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Illinois
Green Oaks Water Service Areas
What these numbers actually mean for Green Oaks, IL
We read Green Oaks, IL’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 3 contaminants above EPA MCLGs
- 13 results on file
- No PFAS results on record
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Recommended Water Filters for Green Oaks
Based on Green Oaks's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with “normal” faster faucet flow
Removes 1 contaminants:
Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
Removes 5 contaminants:
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs, independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 3 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
On a private well near Green Oaks? Public-water results do not apply to private wells. See Lake County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About Green Oaks Tap Water
Green Oaks's water has 3 contaminants above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach GREEN OAKS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact GREEN OAKS directly.
Check another location
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