Gregory Tap Water Quality Report
No water-quality test results are on file for Gregory. That is a gap in the EPA record we publish, not a finding about the water. Check GREGORY WATER SYSTEM's latest Consumer Confidence Report for its current test results.
Water system
GREGORY WATER SYSTEM
People Served
1,295
Health-based violations since 2020
0
GREGORY WATER SYSTEM. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Is Gregory Tap Water Safe to Drink?
Everything we hold on Gregory's water is below — a thin record, not a clean one. Testing your own water is the way to find out what your tap is actually delivering.
GREGORY WATER SYSTEM, Gregory's water system, serves 1,295 people.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in South Dakota
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General-Purpose Water Filters for Gregory
No test results are on file for GREGORY WATER SYSTEM, Gregory's water system, so these are general-purpose NSF/ANSI 53 certified filters, not chosen for any contaminant.
Pentair Residential Filtration, LLC
Everpure Residential H-300-NXT
NSF Certified:
Capacity
3001 gal
Filter Life
10 mo
Flow Rate
0.5 gpm
Removes 5 contaminants:
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
+17 more
Atrazine, Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Styrene, Tetrachloroethylene, Toxaphene, Trichloroethylene, Turbidity
Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with “normal” faster faucet flow
Removes 1 contaminants:
No test results on file — test your own tap
We don't hold water-quality results for this system yet, so nobody can tell you what is in your water from published data. A certified lab test is the way to find out.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What Gregory's water readings can explain
We publish a city-level hardness figure for Gregory, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Gregory? Public-water results do not apply to private wells. See Gregory County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Gregory
Gregory's tap water has an estimated 21.5 grains per gallon (368.0 mg/L, county sampling in Gregory County) — very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for an estimated 21.5 gpg water in Gregory — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For South Dakota as a whole, read water softener cost in South Dakota — priced against the plumber wage published for the state.
Frequently Asked Questions About Gregory Tap Water
No water-quality test results are on file for Gregory. That is a gap in the EPA record we publish, not a finding about the water. Check GREGORY WATER SYSTEM's latest Consumer Confidence Report for its current test results.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach GREGORY WATER SYSTEM. For a problem with your water now (discolored water, no water, low pressure, a leak), contact GREGORY WATER SYSTEM directly.
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