No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting October 2016.
Serves about 1,101 people (367 connections) with groundwater from its own wells, and buys water from Harris County MUD 285.
From EPA's record for TX1010201. PurityMap is independent of Royalwood MUD.
Are you this utility? Correct this listing →
2 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From November 2016 | E. coli | – | – | Resolved |
| From October 2016 | E. coli | – | – | Resolved |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure
Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →Royalwood MUD's phone number on EPA record is 713-951-0800. Its mailing address is 10000 MEMORIAL DR STE 260, HOUSTON, TX 77024-3430.
According to EPA's record, Royalwood MUD uses groundwater from its own wells, and buys water from Harris County MUD 285.
EPA's record shows 2 health-based violations for Royalwood MUD in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting October 2016. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Royalwood MUD's latest lead and copper round, which ended in December 2024, was 8.9 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Royalwood MUD. Its phone number on EPA record is 713-951-0800. Its mailing address on EPA record is 10000 MEMORIAL DR STE 260, HOUSTON, TX 77024-3430. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.