LOADING
LOADING
HARD WATER DATA
TDS data for 292 towns and cities across Tamil Nadu. Sorted by severity — highest TDS first.
CITIES COVERED
292
STATE AVG TDS
354 ppm
HIGHEST TDS
Chennai 725 ppm
LOWEST TDS
Ooty 198 ppm
Chennai
725 ppm
Tambaram
Chengalpattu
700 ppm
Maraimalai Nagar
Chengalpattu
690 ppm
Chengalpattu
680 ppm
Kanchipuram
600 ppm
Uthiramerur
Kanchipuram
580 ppm
Sriperumbudur
Kanchipuram
570 ppm
Vellore
525 ppm
Katpadi
Vellore
520 ppm
Ranipet
500 ppm
Sholinghur
Ranipet
500 ppm
Arcot
Ranipet
498 ppm
Ambur
Tirupattur
490 ppm
Vaniyambadi
Tirupattur
485 ppm
Tirupathur
Tirupattur
480 ppm
Tiruvannamalai
480 ppm
Polur
Tiruvannamalai
478 ppm
Arani
Tiruvannamalai
475 ppm
Chennai City
Chennai
447 ppm
Rameswaram
Ramanathapuram
432 ppm
Ramanathapuram
430 ppm
Paramakudi
Ramanathapuram
428 ppm
Sholinganallur
Chennai
426 ppm
Gingee
Villupuram
422 ppm
Villupuram
420 ppm
Tindivanam
Villupuram
418 ppm
Sivaganga
410 ppm
Devakottai
Sivaganga
410 ppm
Karaikudi
Sivaganga
408 ppm
Tuticorin
Thoothukudi
400 ppm
Ottapidaram
Thoothukudi
400 ppm
Thoothukudi
399 ppm
Kovilpatti
Thoothukudi
398 ppm
Tuticorin Rural
Thoothukudi
395 ppm
Cuddalore
390 ppm
Neyveli
Cuddalore
388 ppm
Ettayapuram
Thoothukudi
388 ppm
Chidambaram
Cuddalore
385 ppm
Tiruchendur
Thoothukudi
385 ppm
Ramanathapuram Rural
Ramanathapuram
385 ppm
Sivakasi
Virudhunagar
382 ppm
Panruti
Cuddalore
382 ppm
Kayalpatnam
Thoothukudi
382 ppm
Chidambaram Rural
Cuddalore
382 ppm
Nagapattinam
380 ppm
Virudhunagar
380 ppm
Aruppukkottai
Virudhunagar
380 ppm
Kattumannarkoil
Cuddalore
380 ppm
Virudhachalam
Cuddalore
378 ppm
Bhuvanagiri
Cuddalore
375 ppm
Vizhupuram Rural
Villupuram
375 ppm
Kamuthi
Ramanathapuram
375 ppm
Vriddhachalam
Cuddalore
372 ppm
Virudhunagar Rural
Virudhunagar
372 ppm
Thirukoilur
Villupuram
372 ppm
Bhuvanagiri Rural
Cuddalore
372 ppm
Mudukulathur
Ramanathapuram
372 ppm
Krishnagiri
370 ppm
Madurai Rural
Madurai
368 ppm
Sivakasi Rural
Virudhunagar
368 ppm
Tirunelveli Rural
Tirunelveli
368 ppm
Rishivandiyam
Villupuram
368 ppm
Kattumannarkoil Rural
Cuddalore
368 ppm
Ariyalur Rural
Ariyalur
368 ppm
Kadaladi
Ramanathapuram
368 ppm
Bargur
Krishnagiri
365 ppm
Kallakurichi
365 ppm
Jayankondam
Ariyalur
365 ppm
Veppanthattai
Perambalur
365 ppm
Shenkottai
Tenkasi
365 ppm
Sattur
Virudhunagar
365 ppm
Srimushnam
Cuddalore
365 ppm
Thiruvadanai
Ramanathapuram
365 ppm
Mayiladuthurai Rural
Mayiladuthurai
365 ppm
Pappireddipatti
Dharmapuri
362 ppm
Ulundurpettai
Kallakurichi
362 ppm
Sendurai
Ariyalur
362 ppm
Vedaranyam
Nagapattinam
362 ppm
Sankarankovil
Tenkasi
362 ppm
Thirumangalam
Madurai
362 ppm
Ambasamudram
Tirunelveli
362 ppm
Kallakurichi Rural
Kallakurichi
362 ppm
Keerapalayam
Cuddalore
362 ppm
Jayankondam Rural
Ariyalur
362 ppm
Perambalur Rural
Perambalur
362 ppm
Mandapam
Ramanathapuram
362 ppm
Nagapattinam Rural
Nagapattinam
362 ppm
Sirkazhi Rural
Mayiladuthurai
362 ppm
Aranthangi Rural
Pudukkottai
362 ppm
Hosur
Krishnagiri
360 ppm
Dharmapuri
360 ppm
Perambalur
360 ppm
Mayiladuthurai
360 ppm
Sankarapuram
Kallakurichi
360 ppm
Karambakudi
Pudukkottai
360 ppm
Kollidam
Nagapattinam
360 ppm
Kadayanallur
Tenkasi
360 ppm
Harur
Dharmapuri
358 ppm
Sirkazhi
Mayiladuthurai
358 ppm
Usilampatti
Madurai
358 ppm
Dindigul Rural
Dindigul
358 ppm
Rajapalayam
Virudhunagar
358 ppm
Nanguneri
Tirunelveli
358 ppm
Sankarapuram Rural
Kallakurichi
358 ppm
Tittagudi
Cuddalore
358 ppm
Sendurai Rural
Ariyalur
358 ppm
Veppanthattai Rural
Perambalur
358 ppm
Thondi
Ramanathapuram
358 ppm
Velankanni
Nagapattinam
358 ppm
Karambakudi Rural
Pudukkottai
358 ppm
Musiri
Tiruchirappalli
355 ppm
Coimbatore Rural
Coimbatore
355 ppm
Peraiyur
Madurai
355 ppm
Srivilliputtur
Virudhunagar
355 ppm
Valliyoor
Tirunelveli
355 ppm
Nagercoil Rural
Kanyakumari
355 ppm
Munaithankottai
Ramanathapuram
355 ppm
Thanjavur Rural
Thanjavur
355 ppm
Papanasam NGP
Nagapattinam
355 ppm
Alangudi Rural
Pudukkottai
355 ppm
Chennai North
Chennai
355 ppm
Udumalpet
Tiruppur
352 ppm
Manachanallur
Tiruchirappalli
352 ppm
Thiruvaiyaru
Thanjavur
352 ppm
Tiruchuli
Virudhunagar
352 ppm
Marthandam
Kanyakumari
352 ppm
Papanasam Rural
Thanjavur
352 ppm
Kumbakonam Rural
Thanjavur
352 ppm
Keelaiyur
Nagapattinam
352 ppm
Iluppur
Pudukkottai
352 ppm
Ariyalur
350 ppm
Tiruvarur
350 ppm
Tirunelveli
350 ppm
Cheranmahadevi
Tirunelveli
350 ppm
Manapparai
Tiruchirappalli
350 ppm
Orathanadu
Thanjavur
350 ppm
Chennai West
Chennai
350 ppm
Palayamkottai
Tirunelveli
348 ppm
Arakkonam
Ranipet
348 ppm
Palladam
Tiruppur
348 ppm
Thuraiyur
Tiruchirappalli
348 ppm
Pattukkottai
Thanjavur
348 ppm
Annur
Coimbatore
348 ppm
Erode Rural
Erode
348 ppm
Natham
Dindigul
348 ppm
Kuzhithurai
Kanyakumari
348 ppm
Kanchipuram Rural
Kanchipuram
348 ppm
Thiruvaiyaru Rural
Thanjavur
348 ppm
Papanasam TJ
Thanjavur
348 ppm
Tanjore Rural
Thanjavur
348 ppm
Gandarvakkottai
Pudukkottai
348 ppm
Madurai City
Madurai
347 ppm
Vaiyampatti
Tiruchirappalli
345 ppm
Salem Rural
Salem
345 ppm
Nilakottai
Dindigul
345 ppm
Arakonam Rural
Ranipet
345 ppm
Maduranthakam
Chengalpattu
345 ppm
Tiruvallur Rural
Tiruvallur
345 ppm
Budalur
Thanjavur
345 ppm
Orathandu
Thanjavur
345 ppm
Pattukottai Rural
Thanjavur
345 ppm
Ponnamaravathi
Pudukkottai
345 ppm
Chennai South
Chennai
345 ppm
Tirupattur
342 ppm
Gudiyatham
Vellore
342 ppm
Walajapet
Ranipet
342 ppm
Tiruchengodu
Namakkal
342 ppm
Kangeyam
Tiruppur
342 ppm
Kinathukadavu
Coimbatore
342 ppm
Vedasandur
Dindigul
342 ppm
Thuckalay
Kanyakumari
342 ppm
Vellore Rural
Vellore
342 ppm
Walajah
Ranipet
342 ppm
Thirukalukundram
Chengalpattu
342 ppm
Ponneri
Tiruvallur
342 ppm
Tiruppanandal
Thanjavur
342 ppm
Viralimalai
Pudukkottai
342 ppm
Salem
340 ppm
Attur
Salem
340 ppm
Karur
340 ppm
Pochampalli
Krishnagiri
340 ppm
Palacode
Dharmapuri
340 ppm
Sholingur
Ranipet
340 ppm
Kumarapalayam
Namakkal
340 ppm
Uthukuli
Tiruppur
340 ppm
Sathyamangalam
Erode
340 ppm
Batlagundu
Dindigul
340 ppm
Colachel
Kanyakumari
340 ppm
Madurantakam Rural
Chengalpattu
340 ppm
Tiruttani
Tiruvallur
340 ppm
Omalur
Salem
338 ppm
Kulithalai
Karur
338 ppm
Paramathi Velur
Namakkal
338 ppm
Nemili
Ranipet
338 ppm
Tambaram Rural
Chengalpattu
338 ppm
Gummidipundi
Tiruvallur
338 ppm
Manamelkudi
Pudukkottai
338 ppm
Namakkal City
Namakkal
337 ppm
Mettur
Salem
335 ppm
Pennagaram
Dharmapuri
335 ppm
Jolarpettai
Tirupattur
335 ppm
Gangavalli
Salem
335 ppm
Anthiyur
Erode
335 ppm
Thiruvallur Town
Tiruvallur
335 ppm
Thirumayam
Pudukkottai
335 ppm
Manamadurai
Sivaganga
335 ppm
Chengam
Tiruvannamalai
335 ppm
Tiruchengode
Namakkal
332 ppm
Oddanchatram
Dindigul
332 ppm
Pallipattu
Tiruvallur
332 ppm
Salem City
Salem
332 ppm
Namakkal
330 ppm
Dindigul
330 ppm
Tenkasi
330 ppm
Minjur
Tiruvallur
330 ppm
Tiruppattur
Sivaganga
330 ppm
Rasipuram
Namakkal
328 ppm
Palani
Dindigul
328 ppm
Tirupathur II
Tirupathur
328 ppm
Dharmapuri City
Dharmapuri
327 ppm
Tirupathur City
Tirupathur
327 ppm
Courtallam
Tenkasi
325 ppm
Singampunari
Sivaganga
325 ppm
Tiruvarur City
Tiruvarur
323 ppm
Tiruppur City
Tiruppur
322 ppm
Krishnagiri City
Krishnagiri
322 ppm
Tiruchirappalli
320 ppm
Srirangam
Tiruchirappalli
320 ppm
Ilayangudi
Sivaganga
320 ppm
Periyakulam
Theni
320 ppm
Aravakurichi
Karur
320 ppm
Peravurani
Thanjavur
319 ppm
Lalgudi
Tiruchirappalli
318 ppm
Valangaiman
Tiruvarur
318 ppm
Jolarpet
Tirupathur
318 ppm
Erode City
Erode
317 ppm
Kariapatti
Virudhunagar
315 ppm
Vandavasi
Tiruvannamalai
315 ppm
Dharapuram T
Tiruppur
315 ppm
Natrampalli II
Tirupathur
314 ppm
Perundurai
Erode
312 ppm
Yercaud
Salem
312 ppm
Coimbatore City
Coimbatore
312 ppm
Natrampalli
Tirupathur
311 ppm
Erode
310 ppm
Gobichettipalayam
Erode
310 ppm
Madurai
310 ppm
Melur
Madurai
310 ppm
Theni
310 ppm
Bodinayakanur
Theni
310 ppm
Pudukkottai
310 ppm
Alangudi
Pudukkottai
310 ppm
Sayalkudi
Ramanathapuram
310 ppm
Krishnarayapuram
Karur
310 ppm
Needamangalam
Tiruvarur
310 ppm
Edappadi
Salem
309 ppm
Bhavani
Erode
308 ppm
Vadipatti
Madurai
308 ppm
Uthamapalayam
Theni
308 ppm
Aranthangi
Pudukkottai
308 ppm
Vaniyambadi II
Tirupathur
307 ppm
Denkanikottai
Krishnagiri
306 ppm
Uchippuli
Ramanathapuram
305 ppm
Pollachi Town
Coimbatore
305 ppm
Sangagiri
Salem
302 ppm
Thiruthuraipoondi
Tiruvarur
300 ppm
Mettupalayam T
Coimbatore
298 ppm
Papanasam
Thanjavur
292 ppm
Thanjavur
290 ppm
Pattukottai
Thanjavur
290 ppm
Gandarvakottai
Pudukkottai
290 ppm
Andipatti
Theni
290 ppm
Kumbakonam
Thanjavur
288 ppm
Kilpennathur
Tiruvannamalai
285 ppm
Tiruppur
280 ppm
Udumalaipettai
Tiruppur
280 ppm
Avudaiyarkoil
Pudukkottai
280 ppm
Dharapuram
Tiruppur
278 ppm
Pollachi
Coimbatore
262 ppm
Coimbatore
260 ppm
Sulur
Coimbatore
260 ppm
Mettupalayam
Coimbatore
258 ppm
Gudalur TN
Nilgiris
255 ppm
Kanyakumari
250 ppm
Padmanabhapuram
Kanyakumari
250 ppm
Kotagiri
Nilgiris
250 ppm
Nagercoil
Kanyakumari
248 ppm
Udhagamandalam
Nilgiris
248 ppm
Gudalur
Nilgiris
202 ppm
Nilgiris
200 ppm
Coonoor
Nilgiris
200 ppm
Ooty
Nilgiris
198 ppm
BUILT FOR TAMIL NADU CONDITIONS
From 198 ppm to 725 ppm — Fighter's triple-acid pH 3.4 formula is tested for Indian hard water conditions.
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