Is Collinsville, OK Tap Water Safe to Drink?
Collinsville, OK tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Contaminants including lithium have been detected at or below guideline thresholds.
Where Does Collinsville Get Its Water?
Water in Collinsville, OK is provided by 4 public water systems: COLLINSVILLE, ROGERS CO RWD # 3 COT STA, ROGERS CO RWD # 3 LAKE PLANT and WASHINGTON CO RWD #3 (NEW,#1).
How Is Collinsville Tap Water Treated?
Treated water is disinfected using free chlorine and chloramines. Treatment includes conventional treatment (coagulation, flocculation, and filtration), direct filtration and granular activated carbon filtration.
What's in Collinsville Tap Water?
The following contaminants were detected most frequently in Collinsville public water systems. All detected levels fall at or below EPA health guidelines in this dataset.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| 8:2 FTS | 0.005 µg/L | 0.005 µg/L | 1 ZIP | Within guideline |
| HFPO-DA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Collinsville
Current EPA monitoring data for Collinsville shows contaminant levels within guideline thresholds across all ZIP codes in this dataset. As with all public water systems, sensitive populations may choose to use a certified filter for additional peace of mind.
Best Broad-Spectrum Filters for This Water Profile
This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about Collinsville Tap Water
Is Collinsville tap water safe to drink?
Collinsville tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Sensitive populations may still choose to use a certified filter as a precaution.
What contaminants are in Collinsville tap water?
The most commonly detected contaminants in Collinsville water systems include: lithium, PFTrDA, 8:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Collinsville get its drinking water?
Collinsville receives water from 4 public water systems, including COLLINSVILLE.
Do I need a water filter in Collinsville?
Current data does not show guideline exceedances in Collinsville. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Collinsville tap water tested?
Public water systems in Collinsville are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-09-03.
Tap water reports by ZIP in Collinsville
- 74021 - Collinsville tap water report Some concern
Water utilities serving Collinsville, OK
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- COLLINSVILLELooks OK
Also covers / overlaps with
- Catoosa CCD, OK · Township
- North Tulsa CCD, OK · Township
- Ochelata-Ramona CCD, OK · Township
- Owasso, OK
- Tulsa CCD, OK · Township