Is Sergeant Bluff, IA Tap Water Safe to Drink?
Sergeant Bluff tap water meets federal Safe Drinking Water Act standards but 1 of 1 ZIP code 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 Sergeant Bluff Get Its Water?
Water in Sergeant Bluff, IA is provided by 1 public water system: SERGEANT BLUFF WATER SUPPLY.
How Is Sergeant Bluff Tap Water Treated?
Treated water is disinfected using chloramines. Treatment includes conventional treatment (coagulation, flocculation, and filtration).
What's in Sergeant Bluff Tap Water?
The following contaminants were detected most frequently in Sergeant Bluff public water systems. 1 of 1 ZIP codes showed detections above EPA health guidelines.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 60 µg/L | 10 µg/L | 1 ZIP | Above guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| 11Cl-PF3OUdS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| 8:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Sergeant Bluff
Based on EPA monitoring data, 1 of 1 ZIP codes in Sergeant Bluff 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 Filters for PFAS Water Profile
PFAS compounds are detected in this water supply. A reverse osmosis (RO) system or an activated-carbon filter specifically certified under NSF/ANSI P473 is required for reliable PFAS reduction. Standard pitcher and faucet filters without P473 certification do not remove PFAS.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about Sergeant Bluff Tap Water
Is Sergeant Bluff tap water safe to drink?
Sergeant Bluff tap water meets Safe Drinking Water Act requirements but 1 of 1 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 Sergeant Bluff tap water?
The most commonly detected contaminants in Sergeant Bluff water systems include: lithium, PFTrDA, 11Cl-PF3OUdS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Sergeant Bluff get its drinking water?
Sergeant Bluff receives water from one public water system, including SERGEANT BLUFF WATER SUPPLY.
Do I need a water filter in Sergeant Bluff?
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 Sergeant Bluff tap water tested?
Public water systems in Sergeant Bluff 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 2025-09-09.
Tap water reports by ZIP in Sergeant Bluff
- 51054 - Sergeant Bluff tap water report Higher concern
Water utilities serving Sergeant Bluff, IA
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- SERGEANT BLUFF WATER SUPPLYAction advised
Also covers / overlaps with
- Liberty, IA · Township
- Sioux City, IA
- Woodbury, IA · Township