ZIP 56379: Sauk Rapids, MN Tap Water
ZIP 56379 is in the Sauk Rapids, MN area, most likely served by Sauk Rapids. A ZIP is a postal boundary, not a service area, so confirm your supplier on your water bill.
Test results for Sauk Rapids
Results describe the water system, not a specific tap in ZIP 56379. Each bar marks the listed reference for that substance.
- above a listed reference
- 3
- detected, within reference or no limit
- 6
- aesthetic measures
- 0
- tested, not detected
- 22
- PFHxSPerfluorohexanesulfonic acid (PFHxS)34.2ng/L10 ng/L federal MCL (2024)Above EPA's 2024 limit (one sample) · EPA UCMR 5 · 2023Evidence
- PFOSPerfluorooctanesulfonic acid (PFOS)12ng/L4.0 ng/L federal MCL (2024)Above EPA's 2024 limit (one sample) · EPA UCMR 5 · 2023Evidence
- PFOAPerfluorooctanoic acid (PFOA)8.1ng/L4.0 ng/L federal MCL (2024)Above EPA's 2024 limit (one sample) · EPA UCMR 5 · 2023Evidence
- LiLithium9.1µg/L10 µg/L EPA health reference level (screening, not a legal limit)Below the listed reference · EPA UCMR 5 · 2023Evidence
- PFBSPerfluorobutanesulfonic acid (PFBS)9.1ng/L2,000 ng/L EPA health advisory (screening, not a legal limit)Below the listed reference · EPA UCMR 5 · 2023Evidence
- PFHxAPerfluorohexanoic acid (PFHxA)7.4ng/L400,000 ng/L Michigan EGLE state MCL (strictest US state)Below the listed reference · EPA UCMR 5 · 2023Evidence
- PFBAPerfluorobutanoic acid (PFBA)14.6ng/LNo federal or state limit; shown for transparencyNo federal or state limit · EPA UCMR 5 · 2023Evidence
- PFHpAPerfluoroheptanoic acid (PFHpA)3.6ng/LNo federal or state limit; shown for transparencyNo federal or state limit · EPA UCMR 5 · 2023Evidence
- PFPeAPerfluoropentanoic acid (PFPeA)6ng/LNo federal or state limit; shown for transparencyNo federal or state limit · EPA UCMR 5 · 2023Evidence
Not measured: no utility report on file. Hardness affects fixtures and appliances, not health.
Below each lab’s reporting limit. A result, not zero, and it covers only what was tested.
Show all 22Hide list
- 11Cl-PF3OUdS
- 4:2 FTS
- 6:2 FTS
- 8:2 FTS
- 9Cl-PF3ONS
- ADONA
- HFPO-DA (GenX)
- NEtFOSAA
- NFDHA
- NMeFOSAA
- PFDA
- PFDoA
- PFEESA
- PFHpS
- PFMBA
- PFMPA
- PFNA
- PFPeS
- PFTA
- PFTrDA
- PFUnA
- Lead (90th percentile)
Go from this record to a decision.
Three results are above their listed reference. Lead mostly enters from building plumbing, which this system-level record can’t see.
- UNDERSTANDThe Sauk Rapids city report
The same system record, with every finding and its source.
Open city report → - SOLVETreatment for PFAS
Reverse osmosis, or carbon certified for PFAS. Check for NSF/ANSI 53 or 58, with PFHxS/PFOA/PFOS/PFBS/PFHxA/PFBA/PFHpA/PFPeA named on the listing.
See treatment → - TESTTest your own tap
The only way to see what your building adds.
How to test →
Frequently asked
Follow ZIP 56379's water
Get an email when new results are published.
Follow ZIP 56379's water →Which water system serves ZIP 56379?
The public system on record for ZIP 56379 (Sauk Rapids, MN) is Sauk Rapids. A ZIP is a postal boundary, not a service area. Confirm your supplier on your water bill.
Is the water in ZIP 56379 the same as Sauk Rapids's?
ZIP 56379 falls within the Sauk Rapids, MN area, but a ZIP code can span more than one utility. Read the serving system's own record for the results that apply to your address.
How do I find the exact water system for ZIP 56379?
Check the utility name on your water bill, or resolve it from your street address with Find My Water. The ZIP-level view lists candidate systems, not a confirmed household match.