Water system
Green Valley MHP
D
What this means for you
- Is it safe to drink right now?
- EPA records show 1 recent health-based violation for Green Valley MHP that is not marked resolved. Check your utility’s website or bill insert for any boil-water or do-not-drink notice and follow it.
- Should I use a filter?
- Yes, we recommend considering one. Unresolved health-based issues make a home filter a reasonable backup.
- What kind of filter?
- If bacteria are the issue, follow any boil notice; NSF/ANSI 55 Class A UV can help after the notice ends. See matched standards and product picks.
This is general information from public EPA data, not medical advice. Lead often comes from a home’s own pipes, so only a test of your tap can tell your exposure. If you are pregnant, caring for an infant, or have a weakened immune system, ask your doctor or health department.
Summary: 21 health-based violations in the last 5 years; 17 monitoring/reporting violations; 8 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
EPA data snapshot 2026Q3. Grade is TapWaterZip's own score — see methods.PFAS (“forever chemicals”), EPA UCMR 5
No UCMR 5 results on file (mostly smaller systems weren’t required to test).
Lead and copper
Lead 90th percentile0 ppb2023-12-31
Current action level15 ppbLCRI lowers to 10 ppb on Nov 1, 2027
Violations (last 5 years)
| Began | Type | Contaminant / rule | Status |
|---|---|---|---|
| 2026-05-04 | Other paperwork/notice violation | Public Notice | Unaddressed |
| 2026-04-01 | Contaminant above legal limit | Arsenic | Archived |
| 2026-03-13 | Other paperwork/notice violation | Public Notice | Unaddressed |
| 2026-01-22 | Other paperwork/notice violation | Public Notice | Unaddressed |
| 2026-01-01 | Contaminant above legal limit | Arsenic | Archived |
| 2025-12-10 | Other paperwork/notice violation | Public Notice | Unaddressed |
| 2025-11-19 | Required treatment not done | Revised Total Coliform Rule | Unaddressed |
| 2025-11-03 | Other paperwork/notice violation | Public Notice | Unaddressed |
| 2025-10-01 | Contaminant above legal limit | Arsenic | Archived |
| 2025-07-01 | Contaminant above legal limit | Arsenic | Archived |
| 2025-04-01 | Contaminant above legal limit | Arsenic | Archived |
| 2025-02-27 | Other paperwork/notice violation | Public Notice | Unaddressed |
| 2025-02-27 | Other paperwork/notice violation | Public Notice | Unaddressed |
| 2025-01-01 | Contaminant above legal limit | Arsenic | Archived |
| 2024-10-05 | Other paperwork/notice violation | Public Notice | Resolved |
| 2024-10-01 | Contaminant above legal limit | Arsenic | Archived |
| 2024-10-01 | Missed or late testing | Revised Total Coliform Rule | Resolved |
| 2024-07-01 | Contaminant above legal limit | Arsenic | Archived |
| 2024-06-13 | Required treatment not done | Groundwater Rule | Resolved |
| 2024-06-09 | Other paperwork/notice violation | Public Notice | Resolved |
| 2024-04-01 | Contaminant above legal limit | Arsenic | Archived |
| 2024-02-24 | Other paperwork/notice violation | Public Notice | Resolved |
| 2024-01-01 | Contaminant above legal limit | Arsenic | Archived |
| 2023-11-03 | Other paperwork/notice violation | Public Notice | Resolved |
| 2023-10-02 | Other paperwork/notice violation | Consumer Confidence Rule | Resolved |
Filters matched to this water
FILTER PICKS
Look for filters certified (NSF, IAPMO or WQA) to these standards for the specific contaminant. Buttons open the maker’s page or an Amazon search; use “Check NSF listing” to verify a model’s claims. No affiliate links yet — grades are never sold.
Arsenic
NSF/ANSI 58 (RO, arsenic claim)NSF/ANSI 53 (arsenic claim)RO with arsenic reduction claim ~$200–500
Confirm arsenic is on the NSF/ANSI 58 certificate.
Search on Amazon → Check NSF listing · Not an affiliate link · disclosure
Arsenic-rated carbon / adsorptive filter varies
Must specifically claim arsenic on the NSF certificate.
Search on Amazon → Check NSF listing · Not an affiliate link · disclosure
Coliform/E. coli
NSF/ANSI 55 Class A (UV)Boil water notice—follow utilityClass A UV disinfection system ~$100–400
Only after any boil-water notice is lifted; UV does not remove chemicals.
Search on Amazon → Check NSF listing · Not an affiliate link · disclosure
Chlorine/chloramine taste
NSF/ANSI 42Aquasana Clean Water Pitcher ~$35
Pitcher for chlorine taste/odor; check the NSF/ANSI 42 listing for the exact model.
Search on Amazon → Check NSF listing · Not an affiliate link · disclosure
Brita Elite Filter ~$20–40
Common faucet/pitcher option; confirm the 42 claim on the box.
View on Brita → Check NSF listing · Not an affiliate link · disclosure
Annual water quality report
Utilities must publish a Consumer Confidence Report every year by July 1. Find it on the utility’s website or ask them directly; EPA explains how.
COMING SOONGet violation alerts for Green Valley MHP
One email when EPA data shows a new violation or test result. No spam.