Is Coal Creek, CO Tap Water Safe to Drink?
Coal Creek tap water meets federal Safe Drinking Water Act standards but 1 of 2 ZIP codes show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.
Where Does Coal Creek Get Its Water?
Water in Coal Creek, CO is provided by 5 public water systems: ARVADA CITY OF, DENVER WATER BOARD, FLORENCE CITY OF, GOLDEN CITY OF and NORTH TABLE MOUNTAIN WSD.
How Is Coal Creek Tap Water Treated?
Treated water is disinfected using free chlorine and calcium hypochlorite and chloramines and on-site generated disinfectant. Treatment includes conventional treatment (coagulation, flocculation, and filtration).
What's in Coal Creek Tap Water?
The following contaminants were detected most frequently in Coal Creek public water systems. 1 of 2 ZIP codes showed detections above EPA health guidelines.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 18.9 µg/L | 10 µg/L | 1 ZIP | Above guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| 6:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| HFPO-DA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Coal Creek
Based on EPA monitoring data, 1 of 2 ZIP codes in Coal Creek have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.
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 Coal Creek Tap Water
Is Coal Creek tap water safe to drink?
Coal Creek tap water meets Safe Drinking Water Act requirements but 1 of 2 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.
What contaminants are in Coal Creek tap water?
The most commonly detected contaminants in Coal Creek water systems include: lithium, PFTrDA, 6:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Coal Creek get its drinking water?
Coal Creek receives water from 5 public water systems, including ARVADA CITY OF.
Do I need a water filter in Coal Creek?
If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.
How often is Coal Creek tap water tested?
Public water systems in Coal Creek 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 2025-09-08.
Tap water reports by ZIP in Coal Creek
- 80403 - Golden CCD, Coal Creek tap water report Higher concern
- 81221 - Florence CCD, Coal Creek tap water report Some concern
Water utilities serving Coal Creek, CO
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- DENVER WATER BOARDAction advised
- GOLDEN CITY OFAction advised
- ARVADA CITY OFLooks OK
- FLORENCE CITY OFLooks OK
- NORTH TABLE MOUNTAIN WSDLooks OK
Also covers / overlaps with
- Arvada, CO
- Bald Mountain CCD, CO · Township
- Central City CCD, CO · Township
- Fairmount, CO · CDP
- Florence CCD, CO · Township
- Golden, CO
- Golden CCD, CO · Township