Tulsa, Oklahoma
City of Tulsa / Oklahoma DEQ CCR covering calendar year 2025 (PWS OK1020418). Spavinaw and Oologah lakes. Hardness is not printed on the opened DEQ CCR. Chlorine/chloramines residuals printed as MPA 2–3 mg/L. No Measure S-style residential softener ban turned up.
- Chlorine/chloraminesRAA 2.2 / 2 mg/L
- TTHMs39 ppb highest RAA (range 13.26–55.8)
- HAA523 ppb highest RAA (range 5.12–35.9)
Best match for Tulsa
Whole-house carbon — match chlorine vs chloramine
No district prohibition on a brine drain turned up in the current file.

Open the CCR for chlorine vs chloramine, then match that claim. A 42 chlorine listing is not chloramine.
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Other options that still fit
Confirm hardness on the current CCR before buying
Open the current CCR for grains. This file does not invent a number from a ranking site. A salt softener needs a drain if it is legal at the address.
Shop salt-based softenersShop salt-free conditionersShop water test kits
Under-sink reverse osmosis
The under-sink RO we actually run is Cloud RO — NSF/ANSI 58, kitchen tap, not a whole-house tank. Check the exact listing if PFAS is why you are shopping. Shop Amazon first for under-sink RO, or buy Cloud direct. Waterdrop is a tankless option if you want that path. A certifier-listed pitcher is the cheap first step. Nobody is paying for a medical claim.
Shop under-sink reverse osmosisBuy Cloud RO directShop Waterdrop reverse osmosisShop PFAS-listed pitchers
Test the tap first
A homeowner kit is a start. It is not a state-certified lab. Use a certified lab when the decision is expensive.
On the report
- Water utility
- City of Tulsa Water and Sewer
- Hardness
- Not printed on the official 2026 DEQ CCR (2025 data) we opened. Unknown — no hardness bar invented. — Oklahoma DEQ Consumer Confidence Report for Tulsa OK1020418 (2025 data; hardness not printed)
- Disinfectant
- Chlorine/Chloramines Maximum Disinfection Level table prints MPA 2 mg/L (12/2025) and 3 mg/L (3/2025), with RAA 2.2 mg/L and 2 mg/L. The heading names both chlorine and chloramines. — Oklahoma DEQ Consumer Confidence Report for Tulsa OK1020418 (2025 data)
- Brine / salt to the sewer
- No district prohibition found in current research. Searched City of Tulsa water and sewer pages and codes for a residential self-regenerating softener or brine-drain ban like LACSD Measure S. None turned up. Ask the sewer agency on the bill before you cut a brine drain.
Also around here
Extra context besides the utility report and the chart above — geology, an unregulated table, or a published study. Not a second set of printed tap numbers.
- MicroplasticsWHO’s 2019 review examined studies that found microplastic particles in treated tap and bottled water in many places. That is a published-occurrence finding, not a number from this city’s water-quality report, and we do not invent a particles-per-liter count for the tap.Microplastics in drinking-water — World Health Organization
- PFASEPA’s Fifth Unregulated Contaminant Monitoring Rule required community systems this size to test 29 PFAS and lithium in 2023–2025. Open the UCMR 5 Data Finder for this PWS. This file does not invent a detection.Fifth Unregulated Contaminant Monitoring Rule — U.S. Environmental Protection Agency
Tulsa drinking water is treated from Lakes Spavinaw/Eucha and Oologah by the City of Tulsa (PWS OK1020418). No City of Tulsa residential softener ban like LACSD Measure S turned up. Ask the sewer agency on the bill before you cut a brine drain. This is not a legal opinion.
The official DEQ CCR we opened does not print hardness. We do not invent a ppm or grains bar.
The disinfectant row is labeled Chlorine/Chloramines (MPA 2–3 mg/L; RAA 2.2 / 2 mg/L). TTHMs 39 ppb highest RAA (range 13.26–55.8). HAA5 23 ppb (range 5.12–35.9). Kitchen shopping stays the Cloud RO / Waterdrop path already used on other cities if a listing is why you are looking.
Sources
- Consumer Confidence Report 2026 covering calendar year 2025 (OK1020418) — Oklahoma Department of Environmental Quality / City of Tulsa. Accessed 2026-09-09.
- 2026 Water Quality Report — City of Tulsa. Accessed 2026-09-09.
Updated September 9, 2026. A city file is chemistry we can cite plus the sewer rule. No invented detections.