Monarch Water Utilities Help Desk: Pay, Log In, Call or Report a Water Issue
Searching “Monarch Water Utilities” usually means you need the current Texas Water Co / Texas Water Utilities route. Monarch Utilities I L.P. is one of the older Texas utility names now handled under Texas Water Utilities/Texas Water Co customer systems.
Use the cards below to pay safely, avoid scam bill-pay sites, find the right phone number, check outages, handle a disconnection notice, start or stop service, and understand high usage before calling.
Fast Answer Board
User intent |
Official route |
Prepare first |
Important detail |
|---|---|---|---|
Pay bill / login |
Account number from bill, service address, payment method, email/phone. |
WaterSmart lets customers view usage, pay, set alerts, and receive leak-style notifications. |
|
Make online payment |
Balance, due date, account number, card/ACH details. |
ACH/EFT through portal, AutoPay or Pay By Text is listed with no transaction fee. |
|
Card / digital wallet fee |
Web, IVR, AutoPay, Pay By Text |
Payment amount and fee estimate. |
Processing fee listed: 2.95% of transaction amount or $1.95, whichever is greater. |
Pay by phone |
Account number and card details. |
Texas Water Co lists a $0.75 IVR fee plus 2.95% credit card fee. |
|
Customer service |
Name, service address, account number, issue summary. |
Email requests should include subject, service address, and brief description. |
|
After-hours emergency |
830-312-4600, Option 4 |
Subdivision, callback number, email, issue type. |
Use for no water, major leak, or outage not shown on service alerts. |
Mail check |
The Texas Water Company, PO Box 733390, Dallas, TX 75373-3390 |
Remittance coupon and account number on check. |
Mail processing may take 5-7 business days. Do not mail cash. |
Start / stop service |
Move date, address, account details, new/old mailing address. |
Existing service questions go to customerservice@txwaterco.com; new development goes to newservice@txwaterco.com. |
Brand-name warning: your bill may still show Monarch Utilities I L.P. or Texas Water Utilities in older tariff/account contexts, but the current customer-care route may use Texas Water Co, WaterSmart, or Nexus Water Group branding. Match your account number and service address before paying.
Official Numbers, Email and Mailing Details
Texas Water Co customer service
Phone: 830-312-4600
Email: customerservice@txwaterco.com
Hours: Monday-Friday, 8:00 AM-4:30 PM, excluding holidays.
After-hours emergency
Call: 830-312-4600, then choose Option 4.
Use only for urgent service-area issues such as no water, major leak, or outage not listed on the alerts page.
Mailing addresses
Payment remittance:
The Texas Water Company
PO Box 733390
Dallas, TX 75373-3390
Business mailing only:
P.O. Box 1742
Canyon Lake, TX 78133
Email faster: include a clear subject line, your name, service address, account number, brief issue, and a phone number where you can be reached during 8:00 AM-4:30 PM business hours.
Bill Pay and Login: Pick the Safest Route
Near shutoff?
Pay through the fastest official method, save confirmation, then call customer service.
Payment method |
Official details |
Best for |
Do not miss |
|---|---|---|---|
Customer portal / WaterSmart |
View usage, manage bill, make payment, update communication settings, set alerts. |
Most account tasks and recurring management. |
Use bill account number as registration code; keep email/phone current for alerts. |
ACH / EFT |
Listed as no transaction fee when using Customer Portal, AutoPay, or Pay By Text. |
Monthly recurring users who want lower payment cost. |
Confirm enrollment before assuming autopay is active. |
Credit/debit/digital wallet |
Accepted options include Apple Pay, Google Pay, PayPal, PayPal Credit, Venmo, and credit/debit card. |
Fast online payment. |
Processing fee listed as 2.95% or $1.95, whichever is greater. |
Western Union cash/debit |
Authorized locations listed include HEB, Walmart, Walgreens, and Brookshire Bros. |
Cash/debit in-person users. |
Bring utility bill; company may appear as “The Texas Water Company.” Posted next business day. |
Mail |
Send check to The Texas Water Company, PO Box 733390, Dallas, TX 75373-3390. |
Normal bill with enough time. |
Include remittance coupon, write account number, do not staple/tape, do not mail cash. |
Phone / IVR |
844-798-0492 listed for pay-by-phone. |
Quick automated phone payment. |
Listed fee: $0.75 IVR plus 2.95% credit card fee. |
Past-Due, Disconnection Notice or Reconnection
Late payment
Texas Water Co lists a 10% penalty if an account is not paid in full by the bill due date.
Disconnected service
Full past-due payment is required. A $25 reconnection fee is listed for non-payment reconnection.
Restore timing
Service restoration after non-payment is during business hours only and may take up to 36 hours after full payment is posted.
Situation |
Do this first |
Then do this |
|---|---|---|
You received a notice |
Locate account number, due date, disconnect date, and total due. |
Pay by fastest official route and save confirmation. |
Payment is within 5 business days of disconnect date |
Use portal/card/eCheck or phone route rather than mail. |
Call customer service to confirm payment and service status. |
Already disconnected |
Pay full past-due balance and reconnection fee. |
Contact customer service to schedule reconnection. |
After business hours |
Paying after-hours does not guarantee same-night reconnection. |
Reconnection is performed during regular business hours. |
Dispute bill amount |
Contact customer service for review. |
A reasonable payment based on prior 12-month average usage may be required while reviewed. |
Monarch Service Areas, Counties and Neighborhood Clues
Monarch is not one single city utility. It is a legacy Texas Water Utilities service group with many water and wastewater maps. Use your bill, address, service-area PDF, water quality report, and tariff group to confirm the exact system.
Older Monarch name
SouthWest Water’s Texas rebrand page lists Monarch Utilities I L.P. among the Texas business units becoming Texas Water Utilities.
County examples
Official service-area and drought pages reference counties such as Bandera, Blanco, Comal, Hays, Travis, Kendall, Medina, Bexar, Guadalupe, Gillespie, Kerr, Denton, Hood, and others depending on the system map.
Best lookup method
Search your exact subdivision/system name in the Texas Water Co service-area, tariff, drought, and water-quality pages.
Official category |
Examples shown on official pages |
What the user should check |
|---|---|---|
Service-area PDFs |
Acton/Royal Oaks, Arrowhead Shores, Aurora Vista, Bandera County, Beachwood Estates, Benbrook Hills, Briarwood Harbor, Callender Lake, Camelot Forest, Cedar Valley, Cherokee Shores, Comal County, Guadalupe County, Lake Medina Shores, Tanglewood, Westwood Beach and many more. |
Open the PDF that matches your subdivision/county before assuming water vs wastewater responsibility. |
Rate/tariff groups |
Bridlegate, Canyon Lake/Elm Ridge/Rockwall Ranch/Spring Branch, Canyon Lake Wastewater, City of Bulverde, Clearwater Estates, Deer Creek, Kendall West, Latigo, Saddleridge, Summit Ridge, Texas Country Estates. |
Use the tariff group printed on your bill or matched to your service area. |
Water-quality report systems |
Bridlegate, Canyon Lakes Shores, Deer Creek, Elm Ridge, Glenwood, Kendall West, Latigo Ranch, North Point, Rockwall Ranch, Rust Ranch, Summit Ridge, Texas Country Estates, Triple Peak. |
Use the address lookup/report list to find the right CCR for your water system. |
Drought schedules |
Bandera County, Blanco County, Comal County, Hays/Travis County, Kendall County, Medina County. |
Click your county before watering; drought restrictions can change by county/system. |
Official lookup links:
No Water, Major Leak or Outage
Call after-hours
830-312-4600, Option 4
Use for no water, major leak, or water outage in the service area.
Check alerts first
If no notice appears and you still have an issue, email customer service or call emergency dispatch.
Tell them the subdivision
Emergency routing asks for concern, subdivision, callback number, and email address to speed up response.
Problem |
Before calling |
What to say |
|---|---|---|
No water |
Check neighbors, main shutoff, service alerts, and whether only one fixture is affected. |
“No water at [address/subdivision]. It started at [time]. Neighbors [are/are not] affected.” |
Major leak |
Check if leak is before or after meter, avoid unsafe areas, take photos only if safe. |
“Major leak at [location]. Water is flowing toward [street/yard/home]. Callback is [number].” |
Rusty / dirty water after outage |
Run cold water for a few minutes; check alerts for repair/flushing. |
“Water remains discolored after running cold water. Address is [address].” |
Boil water notice |
Follow official notice; flush household pipes when rescinded if instructed. |
Ask whether your subdivision/PWS is included and when notice was rescinded. |
High Bill, WaterSmart Alerts and Leak Checks
1-hour meter test
Turn off all water, record/take photo of meter, wait at least one hour, recheck.
Toilet dye test
Add food coloring to tank. If color appears in bowl after 10 minutes, the toilet leaks.
Irrigation timer
Power outages can reset timers and cause continuous outdoor watering.
WaterSmart
Portal can monitor usage, detect unusual patterns, and send alerts by email/text/voice.
Possible cause |
Official clue |
Action |
|---|---|---|
Customer-side leak |
If the meter changes during a no-water-use test, it indicates a leak on the customer side. |
Check toilets, faucets, showers, irrigation, hose bibs, and softener. |
Toilet leak |
Color in bowl after 10 minutes means a leak. |
Repair/replace flapper or call plumber. |
Sprinkler use |
A typical sprinkler from 5/8-inch hose for 1 hour can use about 1,020 gallons. |
Shorten run time and follow drought/county schedule. |
Hand watering |
5/8-inch hose can use about 32 gallons in 5 minutes. |
Use timer/nozzle and avoid runoff. |
Pool fill |
Average 21-foot round pool at 48 inches deep holds about 13,500 gallons. |
Note fill dates before disputing usage. |
House guests |
Typical person can use about 150-200 gallons per day. |
Compare guest days with billing cycle. |
Low usage concern |
Meters can slow down and under-register. |
Contact customer service to request meter testing if usage seems too low. |
Who Fixes What: Utility vs Customer
Texas Water Co responsibility
- Water main.
- Service connection from main to and including the water meter.
- Meter operation.
- Safe, reliable delivery up to the meter.
Customer responsibility
- Customer service line from meter to home/building.
- Pressure reducer valve if installed.
- Customer shut-off valve if installed.
- Interior/exterior plumbing fixtures.
- Irrigation systems and backflow devices.
- Damage to meter box/lid caused by landscaping, vehicles, construction, or freezing.
Start, Stop, Transfer or Final Bill
Start service
- Use WaterSmart/My Account or Start/Stop Services page.
- Prepare service address and start date.
- Existing service: customerservice@txwaterco.com.
- New development: newservice@txwaterco.com.
Stop / transfer
- Use My Account if available.
- Provide at least 48 hours / 2 working days when possible.
- For final bill, contact customer service at least one full working day before stop date.
- Ask about autopay cancellation and forwarding address.
Useful contacts
Existing service: customerservice@txwaterco.com
New developments: newservice@txwaterco.com
Office number: 830-312-4600
Water Quality, CCR, Drought and Wastewater
Water quality reports
CCR reports summarize drinking-water quality information collected for federal and TCEQ compliance. Use the address/system lookup to find the correct report.
Drought restrictions
Watering schedules are organized by county on Texas Water Co’s drought page.
Wastewater
Wastewater may be provided by Texas Water Co or billed on behalf of another provider, depending on subdivision/system.
Question |
Where to check |
Why it matters |
|---|---|---|
Which water system am I in? |
CCR, PWS ID, and notices are system-specific. |
|
Is my area under watering rules? |
Outdoor watering rules can differ by county/system. |
|
Do I have pressure sewer or gravity sewer? |
Some areas require separate wastewater agreements or extra maintenance responsibilities. |
|
Is there an outage or boil-water notice? |
Current service notices control what to do before calling. |
Payment Help, Scams and Safe Contact Rules
Need help paying?
- Ask customer service about extensions, payment plans, or local assistance.
- Have account number, notice, income/household details if applying through outside programs.
- Do not wait until after disconnection to ask.
Scam protection
- Do not pay through Doxo/Mint-style third-party services unless you understand delays and fees.
- Do not use phone numbers sent by a threatening caller.
- Use the phone/email on your bill, official website, or My Account.
- Ask field staff for ID and verify before allowing entry.
Map: Texas Water Co Business Mailing Area
Texas Water Co lists P.O. Box mailing addresses rather than a simple walk-in payment office for every Monarch/TWU service area. Use the map below as regional context for the Canyon Lake mailing area, not as a guaranteed customer walk-in counter.
Address / route |
Use for |
Important warning |
|---|---|---|
The Texas Water Company, PO Box 733390, Dallas, TX 75373-3390 |
Bill payment remittance by mail. |
Do not send payments to the business mailing address. |
P.O. Box 1742, Canyon Lake, TX 78133 |
Business mailing address listed by Texas Water Co. |
Official page says not to mail payments here. |
WaterSmart / portal |
Bill pay, usage, alerts, account management. |
Best route for most users. |
Western Union locations: HEB, Walmart, Walgreens, Brookshire Bros. |
Cash/debit in-person payment. |
Bring bill; additional fees apply; posted next business day. |
Monarch Water Utilities FAQ
Is Monarch Water Utilities still the current name?
Monarch Utilities I L.P. is a legacy Texas utility name. SouthWest Water’s Texas rebrand information says Texas operations, including Monarch Utilities I L.P., became Texas Water Utilities. Current customer pages may use Texas Water Co, WaterSmart, or Nexus Water Group branding.
Where do I log in to pay a Monarch water bill?
Use the Texas Water Co WaterSmart Customer Portal / My Account route. Register with the account number from your water bill.
What is the Monarch / Texas Water Co customer service phone number?
The current Texas Water Co contact page lists 830-312-4600. Older Texas Water Utilities pages also list 866-654-7992 for customer service and emergencies, so match the route to the branding on your bill.
What is the after-hours emergency number?
Texas Water Co says to call 830-312-4600 and select Option 4 for after-hours service emergencies such as no water, major leak, or outage not shown on the alerts page.
What is the pay-by-phone number?
Texas Water Co lists pay-by-phone at 844-798-0492, with an IVR fee and card-processing fee.
Where do I mail a check?
Mail checks to The Texas Water Company, PO Box 733390, Dallas, TX 75373-3390. Include the remittance coupon, write your account number on the check, and do not mail cash.
Is ACH cheaper than card payment?
Texas Water Co states ACH payments are available with no transaction fee when using the Customer Portal, AutoPay, or Pay By Text. Credit/debit/digital wallet payments have a processing fee.
What do I do if I received a disconnection notice?
Use a fast official payment method, save the confirmation number, then call customer service if you paid near the disconnect date. Restoration after non-payment is during business hours only.
How do I check if my subdivision has an outage or boil-water notice?
Open the Texas Water Co Service Alerts page and look for your subdivision/system. If no alert is listed but you still have no water or a major issue, call customer service or after-hours emergency dispatch.
Why is my Monarch water bill high?
Common causes include customer-side leaks, running toilets, irrigation timers, pool fill, extra guests, water softener malfunction, or outdoor watering. Do a one-hour meter test and check WaterSmart usage alerts.
30-Second Monarch/Texas Water Checklist
Paying: WaterSmart/My Account → account number → fee check → confirmation number.
Calling: 830-312-4600 for current Texas Water Co support; 866-654-7992 may appear on older Texas Water Utilities pages/bills.
Emergency: 830-312-4600, Option 4; include subdivision, callback number, email, and issue type.
High bill: WaterSmart alerts → one-hour meter test → toilets/irrigation/pool/softener → call with proof.
Service area: match your subdivision/county to Monarch service-area PDFs, tariffs, drought page, and CCR report before assuming rules or rates.

Editorial Team
WaterBillGuide.us
The content on WaterBillGuide.us is researched and prepared by our editorial team. Our writers and researchers review publicly available information from official utility websites and service portals to create clear, step-by-step informational guides.
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