Just tap water is safe to eat

Gunsan k-water quality test results

( October,  2020 )

Yongdam process water purification treatment process through the scientific safe and clean water

Water Source

【 Youngdam Front view 】

Water Treatment Process

intake Water  Place

Disinfection Place

Disinfection Place

Filtration Place

Sedimentation Place

Water supply

Home

Aggregation Place

Start Place

Mixed Place

Water treatment plant and reservoir inflow

K-water produces a monthly water quality test results in water suitable for drinking     water as the water is received is determined

○ Water sampling date : October 6, 2020

○ Test period : October 6, 2020 ~ November 2, 2020

No.	Test items	water standards	Test results		No.	Test items	water standards	Test results
			Water Plant	Gunsan water				Water Plant	Gunsan water
1	Bacteria	100CFU/㎖Less	0	0	31	1,2dibromo-3-chloropropane	0.003㎎/ℓLess	None	None
2	Total Coliforms	ND/100㎖	None	None	32	1,4-dioxane	0.05㎎/ℓLess	None	None
3	E.coli	ND/100㎖	None	None	33	Residual chlorine	4.0㎎/ℓLess	0.87	0.63
4	Pb	0.01㎎/ℓLess	None	None	34	Trihalomethanes	0.1㎎/ℓLess	0.024	0.024
5	F	1.5㎎/ℓLess	None	None	35	chloroform	0.08㎎/ℓLess	0.021	0.021
6	As	0.01㎎/ℓLess	None	None	36	bromodichloromethane	0.03㎎/ℓLess	0.003	0.003
7	Se	0.01㎎/ℓLess	None	None	37	dibromochloromethane	0.1㎎/ℓLess	None	None
8	Hg	0.001㎎/ℓLess	None	None	38	chloralhydrate	0.03㎎/ℓLess	0.0047	0.0056
9	CN	0.01㎎/ℓLess	None	None	39	Dibromoacetonitrile	0.1㎎/ℓLess	None	None
10	Cr	0.05㎎/ℓLess	None	None	40	Dichloroacetonitrile	0.09㎎/ℓLess	0.0017	0.0020
11	NH3-N	0.5㎎/ℓLess	None	None	41	Trichloroacetonitrile	0.004㎎/ℓLess	None	None
12	NO3-N	10㎎/ℓLess	0.8	0.9	42	Haloaceticacid	0.1㎎/ℓLess	0.023	0.029
13	Cd	0.005㎎/ℓLess	None	None	43	Formaldehyde	0.5㎎/ℓLess	None	None
14	B	1.0㎎/ℓLess	0.01	ND	44	Hardness	300㎎/ℓLess	22	21
15	Bromate	0.01㎎/ℓLess	None	None	45	Donsumption of ptas sium permanganate	10㎎/ℓLess	2.8	2.0
16	Phenol	0.005㎎/ℓLess	None	None	46	Smell	only the raw smell of disinfection	None	None
17	Diazinon	0.02㎎/ℓLess	None	None	47	Taste	only the raw taste of disinfection	None	None
18	Parathion	0.06㎎/ℓLess	None	None	48	Cu	1㎎/ℓLess	None	None
19	Fenitrothion	0.04㎎/ℓLess	None	None	49	Color	5 Less	None	None
20	Carbaryl	0.07㎎/ℓLess	None	None	50	ABS	0.5㎎/ℓLess	None	None
21	1.1.1-Trichloroethane	0.1㎎/ℓLess	None	None	51	pH	5.8 ~ 8.5	6.9	6.5
22	Tertachloroethylene	0.01㎎/ℓLess	None	None	52	Zn	3㎎/ℓLess	None	0.02
23	Trichloroethylene	0.03㎎/ℓLess	None	None	53	Cl-	250㎎/ℓLess	7.4	7.4
24	Dichloromethane	0.02㎎/ℓLess	None	None	54	Residue on evaporation	500㎎/ℓLess	54	56
25	Benzene	0.01㎎/ℓLess	None	None	55	Fe	0.3㎎/ℓLess	None	None
26	Toluene	0.7㎎/ℓLess	None	None	56	Mn	0.05㎎/ℓLess	None	None
27	Ethylbenzene	0.3㎎/ℓLess	None	None	57	Turbidity	0.5NTULess	0.05	0.07
28	Xylene	0.5㎎/ℓLess	None	None	58	SO42-	200㎎/ℓLess	None	None
29	1.1-Dichloroethylene	0.03㎎/ℓLess	None	None	59	Al	0.2㎎/ℓLess	None	None
30	Tetrchlorocarbon	0.002㎎/ℓLess	None	None	Test results			Suitable	Suitable
Test results			Suitable	Suitable

Plumbing Faucet

Every month 45 locations in tap water safety test results

○ Water sampling test : October 5, 2020 ~ October 7, 2020

○ Test period : October 5, 2020 ~ October 29, 2020

▶ Faucet

Bacteria (100CFU/㎖Less)		Totalcoliforms (ND/100㎖)		E.coli (ND/100㎖)		Residual chlorine (4.0mg/ℓLESS)
Average	Max	Average	Max	Average	Max	Average	Max
0	0	ND	ND	ND	ND	0.37	0.65

▶ After passing through a water tank faucet

Bacteria (100CFU/㎖Less)		Totalcoliforms (ND/100㎖)		E.coli (ND/100㎖)		Residual chlorine (4.0mg/ℓLESS)
Average	Max	Average	Max	Average	Max	Average	Max
0	0	ND	ND	ND	ND	0.34	0.52

▶ The end of the faucet

구 분	Bacteria (100CFU/mℓLess)	Totalcoliforms (ND/100mL)	E.coli (ND/100mL)	Residual chlorine (4.0 mg/ℓLess)	Fe (0.3 mg/ℓLess)	Cu (1 mg/ℓLess)	Zn (3 mg/ℓLess)	Mn (0.3 mg/ℓLess)	NH3-N (0.5 mg/ℓLess)	Cl- (250mg/ℓLess)
Average value	0	ND	ND	0.45	ND	0.008	0.029	ND	ND	5.9
Maximum value	0	ND	ND	0.51	ND	0.025	0.051	ND	ND	6.0

Contact water quality

♣ Counter complaints : Gunsan city water service section

♣ Complaints Phone : No area code 120times

☎ Adminstration 454-5352 Charge 454-5362

Water Mangement 454-5382 Water sector 454-5392, 5402, 5422

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