56138
Hills, MN
Rock County · Sioux Falls, SD-MN metro area
HILLS

Is Hills tap water safe to drink?

No recent data
Last tested: Unknown
No Data
Source: EPA UCMR5 utility monitoring plus EPA Water Quality Portal well sampling (mapped to nearest ZIP). Last tested Unknown.
Township:
  • Martin, MN
Neighborhood:
  • Hills

The short answer for Hills

Recent public test data for Hills is limited. Check local utility reports and monitor updated EPA records for the latest water quality information.

The health risk for Hills

No recent contaminant testing data is currently available for this water system in the source dataset.

No specific notes available.

Nitrate + Nitrite concentration (mg/L) September 2022
0 mg/L 1E+04 mg/L 2E+04 mg/L
0.030 mg/L
Detected
mg/L
1E+04 mg/L
EPA limit
guideline
0.0% of limit
Comparison
vs. guideline
EPA limit: 1E+04 mg/L | Your water: 0.030 mg/L
Recommended Filters for Hills Tap Water

Certified filtration options for common tap-water contaminants.

Water filter recommendation for Hills tap water: Epic Pure XP Water Filter Pitcher
Pitcher filter
Epic Pure XP Water Filter Pitcher
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
NSF/ANSI 42, 53, 401 & P473Removes 99.99% PFASMade in USABPA-free
Most elevated compounds

No compounds above or close to EPA limits in available data.

View all tested compounds

789986 · Tested: September 2022

Compound Measurement EPA Limit Comparison
Nitrate + Nitrite 0.030 mg/L 1E+04 mg/L 0.0% of limit
Alkalinity, total 244.000 mg/L
Bromide 0.081 mg/L
Calcium 455.000 mg/L
Chloride 4.100 mg/L
Fluoride 0.170 mg/L
Iron 2.330 mg/L
Magnesium 174.000 mg/L
Oxidation reduction potenti... 980.000 mV
Potassium 13.100 mg/L
Sodium 94.700 mg/L
Sulfate 1880.000 mg/L

Water utilities serving ZIP 56138

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline.

Frequently Asked Questions about ZIP 56138 Tap Water

What's in ZIP 56138 tap water?

Recent public test data for ZIP 56138 is limited. Check your local utility's Consumer Confidence Report for the most current information.

Who provides tap water in ZIP 56138?

Public records identify HILLS as a primary water system associated with ZIP 56138. Service boundaries can vary by address, so confirm exact service with the utility.

When was ZIP 56138 tap water last tested?

The most recent test date used in this report is Unknown. EnviroClarity last refreshed this page on 2026-05-05.

Where can I find the official water quality report for ZIP 56138?

Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact HILLS or visit their website for the latest official report covering ZIP 56138. The EPA also maintains a national CCR locator.

Do I still need a water filter in ZIP 56138?

Even when EPA-tracked compounds are within limits, some households use a certified filter for taste, odor, or to add a margin against trace contaminants below the reporting limit. Match any filter's certifications (NSF/ANSI 42, 53, 58, or P473) to the specific compounds you care about.

Primary source EPA UCMR5 (2023-2025) + EPA WQP (well monitoring near ZIP)
Guideline source EPA PFAS drinking water standard (PFOA/PFOS: 0.004 µg/L, effective 2024, compliance by 2031)
Last tested Unknown
Last page update 2026-05-05

Check another ZIP code

    Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.